0 00:01:05,640 --> 00:01:08,313 Stroke£¡ Stroke£¡ 1 00:01:08,600 --> 00:01:11,194 Stroke£¡ Stroke£¡ 2 00:01:11,480 --> 00:01:13,471 You're looking good, Ms Frizzle£¡ 3 00:01:13,960 --> 00:01:16,758 Stroke£¡ Stroke£¡ 4 00:01:16,840 --> 00:01:18,193 Come on, come on£¡ 5 00:01:18,480 --> 00:01:19,708 Stroke. 6 00:01:20,000 --> 00:01:23,197 Yes£¡ You're two seconds up on yesterday£¡ 7 00:01:23,360 --> 00:01:25,635 Yay, team£¡£¡£¡ 8 00:01:25,760 --> 00:01:28,718 WHOAAA£¡£¡£¡ Ptooi£¡ 9 00:01:33,080 --> 00:01:34,991 Four more minutes, Ms Frizzle£¡ 10 00:01:35,320 --> 00:01:38,357 Don't you think you better go easy on her, Ralphie? 11 00:01:38,440 --> 00:01:41,910 Can't£¡ All great athletes have to train to build up their muscles£¡ 12 00:01:42,000 --> 00:01:46,312 lf Ms Frizzle wants to win the Teacherathalon, she's got to have muscles£¡ 13 00:01:46,680 --> 00:01:49,240 Phew. But muscles aren't everything, Ralphie£¡ 14 00:01:49,560 --> 00:01:52,358 WHA-HOOOOO...£¡£¡£¡ 15 00:01:52,680 --> 00:01:55,114 How DOES she do that??? 16 00:01:56,680 --> 00:01:59,433 Ms Frizzle will need the strongest muscles she can get 17 00:01:59,520 --> 00:02:01,750 to stand a chance against that other teacher. 18 00:02:01,840 --> 00:02:07,039 Keesha's right. l heard Mr. Sinew's so big, even his muscles have muscles£¡ 19 00:02:07,120 --> 00:02:09,076 How'ya feeling, Ms Frizzle? 20 00:02:09,160 --> 00:02:10,878 Ah£¡ Fit as a fiddle, Tim£¡ 21 00:02:12,040 --> 00:02:17,194 Wish l could say the same. My heart is pounding like crazy£¡ 22 00:02:17,600 --> 00:02:20,751 As my vain old Aunt Artery used to say... 23 00:02:21,160 --> 00:02:23,674 ''Without that pump, you're going to slump£¡'' 24 00:02:23,760 --> 00:02:27,878 You're telling me...keeping up with you ...is harder than l thought. 25 00:02:27,960 --> 00:02:31,316 l'm out of breath, too£¡ l can't get enough air£¡ 26 00:02:31,680 --> 00:02:34,148 And the same goes for the Bus£¡ 27 00:02:35,640 --> 00:02:37,358 Good idea Liz£¡ 28 00:02:37,920 --> 00:02:42,596 Stroke£¡ Stroke£¡ Stroke£¡ Ah, can't you guys pump any faster? 29 00:02:42,680 --> 00:02:44,910 We're going to be late for the Teacherathalon£¡ 30 00:02:45,000 --> 00:02:47,833 Almost there, Ralphie. Just a little more air£¡ 31 00:02:48,880 --> 00:02:51,030 l could use some air, too£¡ 32 00:02:51,240 --> 00:02:53,310 Of course you could, Arnold£¡ 33 00:02:53,400 --> 00:02:55,436 That's what happens when you hustle those muscles£¡ 34 00:02:57,960 --> 00:03:01,032 That's why your lungs are part of the team£¡ 35 00:03:01,120 --> 00:03:03,076 Team? What team? 36 00:03:03,160 --> 00:03:06,391 lf you ask me, there's only one team around here. 37 00:03:06,480 --> 00:03:08,072 Janet£¡ 38 00:03:08,160 --> 00:03:10,628 Me and Mr. Sinew... 39 00:03:11,040 --> 00:03:16,558 Say hello to your competition£¡ The original physed teacher extraordinaire£¡£¡ 40 00:03:17,880 --> 00:03:19,233 Hello, Ms Frizzle. 41 00:03:19,440 --> 00:03:21,396 Nice to see you, Mr. Sinew. 42 00:03:21,480 --> 00:03:23,596 May the fittest teacher win£¡ 43 00:03:24,960 --> 00:03:29,351 My-oh-my, you must ruin a lot of shirts that way. 44 00:03:29,440 --> 00:03:33,877 You bet. Come on, Mr. Sinew - let's jog easy back to the school and... 45 00:03:34,280 --> 00:03:38,398 ...Oh well, it's hard to keep those big muscles down... 46 00:03:39,560 --> 00:03:44,918 How is Ms Frizzle ever going to beat that... that mountain of muscle? 47 00:03:45,000 --> 00:03:47,958 You know, class, there's more to winning than muscles. 48 00:03:48,040 --> 00:03:49,678 Muscles are just part of the team. 49 00:03:49,760 --> 00:03:54,834 What team, Ms Frizzle? lt's one on one - you against that hulk. 50 00:03:54,920 --> 00:03:56,797 We'll see about that... 51 00:04:00,440 --> 00:04:02,715 Hellooooooo, WalkeRVille£¡ 52 00:04:02,800 --> 00:04:07,635 Welcome to the final round of this year's Teacherathalon between Ms Valerie Frizzle... 53 00:04:10,280 --> 00:04:12,714 ...and Mr. Garth Sinewwww! 54 00:04:16,640 --> 00:04:20,030 Thank you Janet. We got the message. 55 00:04:20,120 --> 00:04:23,237 Now, the teacher who wins two out of the three events 56 00:04:23,320 --> 00:04:27,199 takes home the prestigious 'Totally Bodacious Athlete's trophy£¡ 57 00:04:27,280 --> 00:04:30,158 Okay, it's time for the first event of the Teacherathalon£º 58 00:04:30,240 --> 00:04:35,268 the row-row-row-your-boat-to-the -end-of-the-lake-first-one-there-wins event£¡ 59 00:04:35,360 --> 00:04:37,669 lt's time, Ms Frizzle. Good luck. 60 00:04:37,760 --> 00:04:40,115 Good luck to you, too, Mr. Sinew£¡ 61 00:04:41,000 --> 00:04:43,878 Teachers to your boats£¡ 62 00:04:43,960 --> 00:04:45,757 Sinew rules£¡ 63 00:04:45,840 --> 00:04:47,353 Up with the Friz£¡ 64 00:04:50,520 --> 00:04:52,954 Um... can you give me a hand here Mr. Sinew? 65 00:04:53,040 --> 00:04:53,836 Certainly£¡ 66 00:04:55,040 --> 00:04:57,508 Whoa£¡ Did you see that??£¡ 67 00:04:57,600 --> 00:05:00,831 Something tells me we could be in trouble... 68 00:05:00,920 --> 00:05:02,638 Teachers ready... 69 00:05:02,800 --> 00:05:06,349 ...get set...ROW£¡ 70 00:05:06,960 --> 00:05:09,428 Go Ms Frizzle£¡ Row£¡ 71 00:05:09,520 --> 00:05:10,475 Stroke£¡ 72 00:05:10,560 --> 00:05:11,549 Stroke£¡ 73 00:05:11,640 --> 00:05:12,595 Stroke£¡ 74 00:05:12,680 --> 00:05:13,556 Stroke£¡ 75 00:05:13,760 --> 00:05:14,636 We're winning£¡ 76 00:05:16,600 --> 00:05:17,635 What was that?£¡? 77 00:05:18,920 --> 00:05:20,319 Hiccups Ralphie£¡ 78 00:05:21,200 --> 00:05:27,548 Oh no£¡ What're we gonna Ms uh... MS FRlZZLE... 79 00:05:27,640 --> 00:05:29,596 Look£¡ lt's a ardeaherodias£¡ 80 00:05:29,680 --> 00:05:31,511 Really? Where? 81 00:05:31,880 --> 00:05:32,835 Boo£¡ 82 00:05:32,920 --> 00:05:34,273 Did you say something? 83 00:05:34,640 --> 00:05:36,790 OH£¡ Just hold your breath. 84 00:05:37,200 --> 00:05:39,191 Whatever you say, Ralphie... 85 00:05:43,240 --> 00:05:47,631 Sorry, Ms Frizzle - someone's got... to win... and... it's going...to...be... me£¡ 86 00:05:47,720 --> 00:05:48,914 BYE BYE£¡ 87 00:05:51,400 --> 00:05:55,712 And the winner of the first event is Mr. Garth Sinew£¡ 88 00:05:55,800 --> 00:05:57,358 Oh no£¡£¡£¡£¡ 89 00:05:57,720 --> 00:05:59,358 What happened Ms Frizzle? 90 00:05:59,800 --> 00:06:00,994 You were winning£¡£¡ 91 00:06:01,480 --> 00:06:05,996 Well... for some reason, my muscles gave out. 92 00:06:06,640 --> 00:06:08,073 Excuse me£¡ 93 00:06:08,280 --> 00:06:12,990 But we were doing just fine... until you got the hiccups and held your breath. 94 00:06:13,080 --> 00:06:14,957 Well, that's the problem£¡ 95 00:06:15,040 --> 00:06:20,239 Everyone - except Coach Ralphie - knows you can't row if you're holding your breath£¡ 96 00:06:20,320 --> 00:06:23,869 Why not? What's breathing got to do with how your muscles work? 97 00:06:23,960 --> 00:06:26,428 Ah, now there's an air-udite question£¡ 98 00:06:26,800 --> 00:06:29,917 Attention, attention competitors. 99 00:06:30,000 --> 00:06:33,834 Five minutes till the next event£¡ Five minutes£¡ 100 00:06:33,920 --> 00:06:36,229 Ahh...to the Bus£¡ 101 00:06:36,320 --> 00:06:37,514 To the Bus?£¡? 102 00:06:39,880 --> 00:06:41,677 Single file please£¡ 103 00:06:41,760 --> 00:06:43,830 Do we really have time for this? 104 00:06:43,920 --> 00:06:48,357 lt's okay, Ralphie. We all need a little breather. Hit it, Liz£¡ 105 00:06:58,720 --> 00:07:00,631 What is that??£¡? 106 00:07:00,720 --> 00:07:05,430 This is the Supreme Team Analyzer Manifesting lnternal Networks Automatically - 107 00:07:05,520 --> 00:07:08,034 or STAMlNA for short. 108 00:07:08,120 --> 00:07:10,031 That is so cool£¡ 109 00:07:10,120 --> 00:07:12,759 Wow£¡ l see your heart, Ms Frizzle£¡ 110 00:07:12,840 --> 00:07:15,400 You don't miss a beat, do you, Tim? 111 00:07:15,480 --> 00:07:18,074 The red liquid must be your blood flowing£¡ 112 00:07:18,160 --> 00:07:20,435 But what are these big sacs next to the heart? 113 00:07:20,520 --> 00:07:25,355 Oh, those are my lungs£¡ First stop on the Air Express£¡ 114 00:07:25,440 --> 00:07:28,318 Air Express? What is she talking about?? 115 00:07:28,400 --> 00:07:32,188 Look£¡ Ms. Frizzle's blood goes from the heart to the lungs... 116 00:07:32,280 --> 00:07:34,794 and then back to the heart.. and then to everywhere£¡ 117 00:07:35,000 --> 00:07:37,514 The heart pumps the blood twice£¡ 118 00:07:37,600 --> 00:07:40,990 Forget the blood - it's her muscles l want to know about£¡ 119 00:07:41,080 --> 00:07:43,719 That's what she needs to win the Teacherathalon£¡ 120 00:07:43,800 --> 00:07:48,032 Muscles are certainly part of the team, so let's go out on a limb... 121 00:07:49,200 --> 00:07:52,875 Oh, look at those leg muscles£¡ 122 00:07:52,960 --> 00:07:54,871 They look good and strong to me£¡ 123 00:07:54,960 --> 00:07:58,873 So what does holding your breath have to do with how your muscles work? 124 00:07:58,960 --> 00:08:01,235 Ralphie, l think you need a closer look... 125 00:08:01,320 --> 00:08:03,880 Oh no - tell me she didn't say that£¡ 126 00:08:03,960 --> 00:08:08,750 Attention, attention all competitors. Event number two is about to begin. 127 00:08:08,840 --> 00:08:13,960 Mr. Sinew and Ms Frizzle, please report to the starting line in three minutes. 128 00:08:14,040 --> 00:08:17,316 l'll take my closer look another time, Ms Frizzle. 129 00:08:17,400 --> 00:08:19,709 Ralphie's right£¡ We have to get back to the track£¡ 130 00:08:19,800 --> 00:08:21,677 Huh, not to worry Arnold. 131 00:08:21,760 --> 00:08:25,753 You have lots of time to find out what air and muscles have to do with each other. 132 00:08:25,840 --> 00:08:26,716 We do??£¡? 133 00:08:26,800 --> 00:08:30,679 Oh yes, and you're coming with me Tim - this way please£¡ 134 00:08:30,760 --> 00:08:32,193 Let us know what you find out£¡ 135 00:08:32,280 --> 00:08:36,273 ls it just me or are we going on a field trip? 136 00:08:36,360 --> 00:08:38,715 Come on Bus - do your stuff£¡ 137 00:08:43,680 --> 00:08:45,193 Where'd the bus go? 138 00:08:46,000 --> 00:08:48,912 lt's right in the palm of my hand. 139 00:08:49,240 --> 00:08:57,716 OK class time to take chances, make mistakes, get messy£¡£¡ And breathe deep. 140 00:08:57,880 --> 00:09:00,678 Ms Frizzle - where are we going?? 141 00:09:00,840 --> 00:09:04,355 ln there with the air£¡ Hit it Liz£¡ 142 00:09:04,440 --> 00:09:05,475 This is typical. 143 00:09:05,560 --> 00:09:09,314 The next event is about to start any minute and what are we doing? 144 00:09:12,640 --> 00:09:15,074 WE'RE DRlVlNG lNTO MS FRlZZLE'S NOSE£¡£¡£¡ 145 00:09:21,760 --> 00:09:24,957 Air oh air has my little class gone£¡ 146 00:09:27,400 --> 00:09:30,551 WHAA-HOOO£¡£¡£¡ 147 00:09:30,640 --> 00:09:33,871 Air oh air can they be? 148 00:09:33,960 --> 00:09:35,632 We're heading toward your lungs£¡ 149 00:09:35,720 --> 00:09:40,475 Attention, attention, 1 45 seconds to event number 2. 150 00:09:40,560 --> 00:09:42,471 Get your popcorn now. 151 00:09:42,560 --> 00:09:45,677 Oh, better warm up£¡£¡ One... two... 152 00:09:45,760 --> 00:09:47,671 Hey you guys£¡ Can you hear me? 153 00:09:48,040 --> 00:09:50,508 We hear you£¡ WHAT lS GOlNG ON?? 154 00:09:50,600 --> 00:09:52,750 We're getting ready to start. Where are you? 155 00:09:52,840 --> 00:09:56,196 We're right here, we're just entering Ms Frizzle's left lung£¡£¡ 156 00:09:56,800 --> 00:09:58,074 Then step on it£¡ 157 00:09:58,160 --> 00:09:59,309 Excuse me?£¡? 158 00:09:59,400 --> 00:10:00,753 l mean hurry£¡£¡£¡ 159 00:10:00,840 --> 00:10:02,751 We're in Ms Frizzle's lungs. 160 00:10:02,840 --> 00:10:04,831 Yeah - you're being frizzled big time£¡ 161 00:10:04,920 --> 00:10:07,753 So all this noise we're hearing must be the sound of her breathing air£¡ 162 00:10:07,840 --> 00:10:09,990 But these tubes are getting smaller and smaller. 163 00:10:10,080 --> 00:10:11,559 Oh no£¡ We're not gonna fit£¡ 164 00:10:14,520 --> 00:10:19,958 But why now? How am l going to coach her to victory from inside her lungs?£¡? 165 00:10:20,160 --> 00:10:22,151 Way to go, Liz£¡ 166 00:10:22,480 --> 00:10:26,553 lncredible£¡ l always wondered what Ms. Frizzle was like deep down inside. 167 00:10:30,920 --> 00:10:33,229 Time's up£¡ We win£¡ 168 00:10:33,320 --> 00:10:34,673 She'll be back. 169 00:10:34,840 --> 00:10:39,356 Well, l'm going to complain. l'm good at that. 170 00:10:39,440 --> 00:10:42,113 Well, l guess everybody's good at something... 171 00:10:42,200 --> 00:10:44,430 May day£¡ May day£¡ Where are you guys? 172 00:10:44,520 --> 00:10:46,238 Janet's gonna disqualify us£¡£¡ 173 00:10:46,640 --> 00:10:49,996 Have you guys figured out what breathing has to do with muscles yet? 174 00:10:50,080 --> 00:10:53,516 We're working on it. We're following the air as she breathes it through her lungs. 175 00:10:53,600 --> 00:10:56,797 Who knew your lungs were made up of so many tiny sacs. 176 00:10:56,880 --> 00:10:57,676 Whoaf£¡ 177 00:10:57,760 --> 00:10:58,795 Looks like the air stops here. 178 00:10:58,880 --> 00:10:59,949 NOW what'll we do?? 179 00:11:01,160 --> 00:11:07,076 Well as my Uncle Ether always says, when you hit the ground, take a look around. 180 00:11:07,160 --> 00:11:10,232 Well, the air's still moving as she breaths, but where's it going? 181 00:11:10,320 --> 00:11:11,230 Wait a second. 182 00:11:11,320 --> 00:11:16,838 This looks familiar, kind of like when we were in your bloodstream, remember? 183 00:11:17,240 --> 00:11:20,789 You mean when you followed my blood cells all around my body? 184 00:11:21,120 --> 00:11:23,031 What's that got to do with air? 185 00:11:23,120 --> 00:11:25,759 Plenty Ralphie£¡ Watch. 186 00:11:25,840 --> 00:11:30,550 When the air hits the purple blood cells, they suck it up and they turn bright red. 187 00:11:33,760 --> 00:11:35,990 Look£¡ lt happens when she breathes in£¡ 188 00:11:36,080 --> 00:11:38,435 l guess the air doesn't stop here after all. 189 00:11:38,800 --> 00:11:40,631 But where does it go from here? 190 00:11:43,440 --> 00:11:46,318 We've got to check this out£¡ Follow that air£¡ 191 00:11:54,600 --> 00:11:57,239 Nice one, Liz£¡ We're in the blood stream£¡ 192 00:11:58,200 --> 00:12:00,509 But where is it taking us? 193 00:12:02,680 --> 00:12:04,557 What's that noise? 194 00:12:06,000 --> 00:12:09,117 Ooh, you're getting to the heart of the matter now class. 195 00:12:09,280 --> 00:12:11,748 We're going right into her heart£¡ 196 00:12:11,840 --> 00:12:12,909 Now what??£¡? 197 00:12:13,000 --> 00:12:15,195 l don't know, the heart is a pump. 198 00:12:15,280 --> 00:12:17,635 Get ready to get squeezed outta here. 199 00:12:18,360 --> 00:12:20,555 AAAAAAAH..! 200 00:12:29,400 --> 00:12:31,630 One and two and one and two... 201 00:12:31,720 --> 00:12:32,914 Attention Ms Frizzle£¡ 202 00:12:33,000 --> 00:12:37,755 lf you're not at the starting line in one minute, you're disqualified£¡ 203 00:12:37,840 --> 00:12:39,478 Go away, Janet£¡ 204 00:12:39,560 --> 00:12:42,279 Did she say 'disqualified'??£¡ 205 00:12:42,360 --> 00:12:43,554 This way Tim. 206 00:12:45,240 --> 00:12:46,992 And they're off£¡ 207 00:12:47,400 --> 00:12:51,518 Mr. Sinew he's our guy, he's gonna win, easy as pie. 208 00:12:52,680 --> 00:12:55,399 l'm gonna... win£¡ l've... got... the muscles£¡ 209 00:12:55,760 --> 00:12:59,753 But... l've got... the heart... and the lungs£¡ 210 00:13:00,960 --> 00:13:05,078 Sure feels good to be back in the blood stream, huh Ralphie? 211 00:13:05,160 --> 00:13:09,517 But Ms Frizzle's is flowing a lot faster than your's did Ralphie£¡ 212 00:13:09,600 --> 00:13:14,390 Well, what do you want? l was resting, not racing against the credible hulk£¡£¡£¡ 213 00:13:17,120 --> 00:13:21,033 They're at the half-way point. No telling who's going to win this one£¡ 214 00:13:21,240 --> 00:13:23,117 l've... got... the edge£¡ 215 00:13:23,880 --> 00:13:27,270 But l've... got... the TEAM£¡£¡£¡ 216 00:13:29,600 --> 00:13:32,433 We're moving closer and closer to her leg. 217 00:13:32,520 --> 00:13:34,192 Yah, but where are the muscles? 218 00:13:34,280 --> 00:13:36,191 l think we need to hang a left£¡£¡ 219 00:13:39,520 --> 00:13:41,556 What are all those red bands out there? 220 00:13:41,640 --> 00:13:45,030 According to my research, that is the muscle fibre. 221 00:13:45,120 --> 00:13:50,194 Muscle fiber£¡ Stop the bus£¡£¡ Hey, look at that£¡ 222 00:13:50,280 --> 00:13:53,590 The red blood cells are giving that white stuff to the muscles. 223 00:13:53,680 --> 00:13:55,750 And then turning back to purple. 224 00:13:56,120 --> 00:13:58,190 l gotta go check this out£¡£¡ 225 00:13:58,280 --> 00:14:01,875 lt's almost as if the muscles are breathing in the white stuff. 226 00:14:01,960 --> 00:14:05,669 And breathing out the dark stuff. Phoebe£¡ That's it£¡ 227 00:14:05,760 --> 00:14:08,558 Those red blood cells are bringing air to the muscles. 228 00:14:08,640 --> 00:14:16,228 Hey guys, l got it, air has oxygen£¡ That must be what the white stuff is. Ooh. 229 00:14:16,320 --> 00:14:20,359 According to my research that's the part of the air our bodies use to live. 230 00:14:20,440 --> 00:14:23,637 So, the lungs breathe in air... 231 00:14:23,720 --> 00:14:26,029 ...the blood cells carry the oxygen... 232 00:14:26,120 --> 00:14:28,031 ...the heart pumps the blood... 233 00:14:28,120 --> 00:14:31,590 To our muscles which use the oxygen£¡ 234 00:14:31,680 --> 00:14:35,150 So that's the team Ms Frizzle keeps talking about. 235 00:14:35,240 --> 00:14:40,473 Lungs, blood, heart and muscles. They're all working together£¡ 236 00:14:40,880 --> 00:14:43,030 They're the oxygen team£¡ 237 00:14:43,120 --> 00:14:47,477 They work together to pull oxygen into the body, pump it into the muscles, 238 00:14:47,560 --> 00:14:50,791 use the oxygen up, and carry away the used up stuff£¡ 239 00:14:50,880 --> 00:14:52,359 What a team£¡ 240 00:14:52,440 --> 00:14:57,992 So when Ms Frizzle held her breath, her muscles didn't get the oxygen they needed£¡ 241 00:14:58,080 --> 00:15:01,197 She didn't have a muscle problem - she had... 242 00:15:01,280 --> 00:15:04,272 ...an oxygen problem£¡ 243 00:15:08,200 --> 00:15:10,156 l'm ... going... to... win£¡ 244 00:15:10,240 --> 00:15:14,153 Not if l... get... there... first£¡ 245 00:15:17,480 --> 00:15:21,189 Ralphie? l think maybe you better come look at this£¡ 246 00:15:21,280 --> 00:15:23,635 This doesn't look too good to me... 247 00:15:23,720 --> 00:15:26,188 Man, that grey stufts showing up all over. 248 00:15:26,280 --> 00:15:29,238 And there's less oxygen going into the muscles. 249 00:15:29,320 --> 00:15:31,834 l think we've got another oxygen problem here£¡ 250 00:15:31,920 --> 00:15:35,390 Hello Tim, we can't keep up this pace. 251 00:15:35,480 --> 00:15:37,596 The muscles aren't getting all the oxygen they need£¡ 252 00:15:38,440 --> 00:15:40,715 lt's going to be rrrreally close...£¡ 253 00:15:41,240 --> 00:15:44,357 You're good, Ms Frizzle... but...not... as... good... as me£¡ 254 00:15:44,520 --> 00:15:48,957 Not... as... good... as... l, Mr. Sinew£¡ 255 00:15:53,120 --> 00:15:56,954 And the winner is...MS FRlZZLLLLLLLE£¡ 256 00:15:57,920 --> 00:16:00,388 The score is even - one event apiece£¡ 257 00:16:00,480 --> 00:16:03,233 She did it£¡£¡ Ms Frizzle won the race£¡ 258 00:16:03,320 --> 00:16:09,589 Wha...hooOOOOPS£¡ l... think... l'm going... to fall... down£¡ 259 00:16:18,480 --> 00:16:20,072 Are you all right, Ms Frizzle? 260 00:16:20,320 --> 00:16:25,189 l must have overdone it a little. My muscles need a few minutes to recover. 261 00:16:25,600 --> 00:16:29,639 l'm sorry, but you don't have a few minutes. Do you give up? 262 00:16:29,720 --> 00:16:30,835 No way£¡ 263 00:16:30,920 --> 00:16:34,151 Get better quick, Ms Frizzle. l would hate to win this way. 264 00:16:34,240 --> 00:16:36,879 But if that's the hand you're dealt... 265 00:16:36,960 --> 00:16:37,756 Janet£¡ 266 00:16:38,120 --> 00:16:40,395 What's going on in there, you guys? 267 00:16:40,480 --> 00:16:43,950 Without enough oxygen, Ms Frizzle's leg muscles stopped working£¡ 268 00:16:44,040 --> 00:16:46,031 They're as limp as overdone spaghetti£¡ 269 00:16:46,120 --> 00:16:50,193 But there's no sauce, just this yucky ooze. 270 00:16:50,280 --> 00:16:54,990 Excellent obseRVation, class£¡ That yucky ooze is lactic acid. 271 00:16:55,080 --> 00:16:57,833 lt's what muscles make when they have to work without enough oxygen. 272 00:16:58,000 --> 00:17:02,437 That's what happens when you take your team to the wall. 273 00:17:02,520 --> 00:17:07,036 Ah, but not to worry - with enough time to rest, my blood will clear out the waste, 274 00:17:07,120 --> 00:17:09,839 bring in more oxygen, and l'll be ready to go again£¡ 275 00:17:09,920 --> 00:17:12,992 Yes to worry£¡ The next event is about to start£¡ 276 00:17:13,080 --> 00:17:17,392 l know£¡ Ooh, this is working out better than l thought£¡ 277 00:17:17,480 --> 00:17:21,473 So here's the story -- This yucky ooze tells us her muscles don't have enough oxygen. 278 00:17:21,560 --> 00:17:24,028 But there's no time for her blood to do the job. 279 00:17:24,120 --> 00:17:27,715 So, we've got to get more oxygen to her muscles - NOW£¡ 280 00:17:27,800 --> 00:17:30,519 We'll have to go back up to the lungs to get some£¡ 281 00:17:30,600 --> 00:17:31,953 There's not enough time£¡ 282 00:17:32,040 --> 00:17:35,077 And we've got to clean this ooze up, too£¡ 283 00:17:47,480 --> 00:17:51,632 Great idea Liz, let's get mopping£¡ 284 00:17:54,080 --> 00:17:56,640 The ooze is disappearing - but now what? 285 00:17:56,720 --> 00:17:59,029 Her muscles still need oxygen£¡ 286 00:17:59,120 --> 00:18:03,716 l know... We need to get more oxygen to these muscles - and fast£¡ 287 00:18:05,120 --> 00:18:06,838 We need new air£¡ 288 00:18:09,080 --> 00:18:13,153 l've got it£¡ The bus tires have new air - we pumped it in there, remember?£¡ 289 00:18:13,240 --> 00:18:14,309 We can use that£¡ 290 00:18:20,320 --> 00:18:22,436 All right, guys, let'em blow£¡ 291 00:18:31,480 --> 00:18:32,959 lt's working£¡ 292 00:18:36,120 --> 00:18:38,315 The muscles are starting to move again£¡ 293 00:18:44,080 --> 00:18:45,798 How's your leg, Ms Frizzle? 294 00:18:46,200 --> 00:18:48,873 Tell everyone my muscle feels as good as new. 295 00:18:48,960 --> 00:18:52,669 Now, my heart, lungs and blood will do the rest. 296 00:18:52,840 --> 00:18:55,877 Mission accomplished, guys£¡ The team's back in shape£¡ 297 00:18:55,960 --> 00:18:57,029 You can come out now£¡ 298 00:18:57,120 --> 00:19:01,636 Let's go£¡ l've got to see the look on Janet's face when Ms Frizzle wins that trophy£¡ 299 00:19:04,120 --> 00:19:06,350 With the contestants tied one win each, 300 00:19:06,440 --> 00:19:09,273 the winner of the tire-step-backstroke-stair-climb event 301 00:19:09,360 --> 00:19:12,318 will be the winner of this year's Teacherathalon£¡ 302 00:19:12,680 --> 00:19:18,152 Come on Mr. Sinew, 233, 234, 235... 303 00:19:18,240 --> 00:19:19,593 Ms Frizzle you're looking great£¡ 304 00:19:19,680 --> 00:19:21,318 You guys in the windpipe yet? 305 00:19:21,520 --> 00:19:24,910 Are you kidding?£¡ We're still going up her leg£¡ 306 00:19:25,000 --> 00:19:29,391 You're still going up her leg??£¡ But don't you want to see this race?? 307 00:19:29,480 --> 00:19:35,999 You know, Tim, when this is over, you better take a long vacation. l think you've lost it£¡ 308 00:19:36,080 --> 00:19:37,672 Attention, attention£¡ 309 00:19:37,760 --> 00:19:40,797 This is the movement you've all been waiting for, the final event, 310 00:19:40,880 --> 00:19:43,155 the tie breaking, the trophy winning, the... 311 00:19:43,240 --> 00:19:44,468 Teachers, are you ready? 312 00:19:47,560 --> 00:19:51,314 On your mark£¡ Get set£¡ Go£¡ 313 00:19:51,400 --> 00:19:54,198 The race is on£¡ They're off and stepping£¡ 314 00:19:59,680 --> 00:20:01,910 GO£¡ SWlM£¡ 315 00:20:02,280 --> 00:20:04,430 Close, Ms Frizzle... but no cigar£¡ 316 00:20:04,960 --> 00:20:08,839 Don't you know... that smoking... is bad for your... health? 317 00:20:14,960 --> 00:20:18,839 lt's anybody's race£¡ They're stride for stride£¡ 318 00:20:18,920 --> 00:20:20,239 Go, me£¡ Go£¡ 319 00:20:20,640 --> 00:20:22,710 Go, team£¡ Go£¡ 320 00:20:23,120 --> 00:20:26,430 Hang on gang£¡ We're in the lungs again and we're almost out£¡ 321 00:20:26,840 --> 00:20:32,836 Come on, Ms Frizzle. Take chances ...get messy...and GET US OUT OF HERE£¡ 322 00:20:33,040 --> 00:20:36,350 We're almost out£¡ There's her vocal cords. 323 00:20:37,720 --> 00:20:43,192 lt's really close£¡ The winner of this year's Teacherathalon iiiiis... 324 00:20:43,400 --> 00:20:46,631 ...MS FRlZZZZZZLLLLLLLLLLE£¡£¡£¡ 325 00:20:47,040 --> 00:20:49,076 WAHOOOOOO...£¡£¡£¡ 326 00:20:50,160 --> 00:20:52,913 FRlZ-UL£¡ FRlZ-UL£¡ FRlZ-UL£¡ 327 00:20:53,000 --> 00:20:55,958 FRlZZLE£¡ FRlZZLE£¡ FRlZZLE£¡ 328 00:20:56,040 --> 00:21:00,875 l just don't get it£¡ How could your puny little teacher win against my muscle man? 329 00:21:00,960 --> 00:21:06,671 Well, Janet, he was up against an entire team -- Ms Frizzle's lungs took in oxygen... 330 00:21:06,760 --> 00:21:08,478 ...then her blood carried it... 331 00:21:08,560 --> 00:21:10,073 ... her heart pumped the blood... 332 00:21:10,160 --> 00:21:13,516 ...to her muscles which used the oxygen to do the work£¡ 333 00:21:13,600 --> 00:21:18,390 And then, of course, there was us - we were on the team, too£¡ 334 00:21:18,480 --> 00:21:22,712 Whaoahh. You're a good champion, Valerie. Next time l'll train harder. 335 00:21:24,200 --> 00:21:28,034 Well, there'll be no next time for me, Garth. l'm retiring. 336 00:21:28,120 --> 00:21:31,829 As l always say, 'air today - gone tomorrow'£¡ 337 00:21:33,280 --> 00:21:35,111 And the same goes for your shirts£¡ 338 00:22:04,040 --> 00:22:05,314 You're right, Liz. 339 00:22:05,400 --> 00:22:08,949 lf l want to win next year, l'll have to do more aerobics to keep my lungs, heart, 340 00:22:09,040 --> 00:22:10,678 muscles in tip-top shape. 341 00:22:11,680 --> 00:22:13,398 Hello, Magic School Bus? 342 00:22:13,480 --> 00:22:15,596 Uh, no, this is Mr. Sinew. 343 00:22:15,680 --> 00:22:19,389 Okay, you'll do. How does exercise get you in shape anyway? 344 00:22:19,480 --> 00:22:23,109 Well, it helps your lung tissues stretch further so you can take in more air... 345 00:22:23,200 --> 00:22:25,191 And it strengthens all your muscles... 346 00:22:25,280 --> 00:22:29,114 ... including your heart. That's the most important muscle in your body, you know. 347 00:22:29,200 --> 00:22:31,031 l guess l better get exercising£¡ 348 00:22:31,120 --> 00:22:32,758 Good idea£¡ Bye£¡ 349 00:22:33,000 --> 00:22:34,433 Now what? 350 00:22:38,600 --> 00:22:43,390 So, l know that white stuff was oxygen, but what was the dark stuff? 351 00:22:43,480 --> 00:22:46,677 The dark stuff was carbon dioxide that the muscles give off. 352 00:22:46,760 --> 00:22:50,275 The blood carries it back to the lungs where we breathe it out. 353 00:22:50,360 --> 00:22:53,113 Carbon dioxide is the second half of the breathing story. 354 00:22:53,200 --> 00:22:55,270 But we didn't have time to show it all. 355 00:22:55,360 --> 00:22:58,511 Can you really see all that stuff the way you showed? 356 00:22:58,600 --> 00:22:59,350 No. 357 00:22:59,440 --> 00:23:04,878 Oxygen and carbon dioxide are invisible gasses, and lactic acid is a colorless liquid. 358 00:23:04,960 --> 00:23:08,953 Red blood cells turn bright red when oxygen joins the cells, 359 00:23:09,040 --> 00:23:12,669 and they turn purple when oxygen leaves the cells. Whoa£¡ 360 00:23:12,760 --> 00:23:14,716 Hey, are you okay? 361 00:23:14,800 --> 00:23:17,678 Never felt better, thanks£¡ Bye£¡ 362 00:23:18,280 --> 00:23:21,192 Whew£¡ Not rowing£¡ 363 00:23:23,640 --> 00:23:25,278 l'm with Janet - 364 00:23:25,360 --> 00:23:29,478 how could someone like Ms Frizzle beat a mountain of muscle like Mr. Sinew? 365 00:23:29,840 --> 00:23:32,877 Having big muscles doesn't necessarily mean you're in good shape. 366 00:23:32,960 --> 00:23:35,190 What's important is teamwork. 367 00:23:35,320 --> 00:23:37,356 Your heart and lungs have to work together 368 00:23:37,440 --> 00:23:40,193 to deliver as much oxygen to the muscles as possible. 369 00:23:40,400 --> 00:23:44,359 That's right. And blood carries food as well as oxygen, doesn't it? 370 00:23:44,440 --> 00:23:46,829 That it does... Whoa. Bye£¡ 371 00:23:47,440 --> 00:23:50,079 That's it, Liz. l've gotta rest. 372 00:23:50,160 --> 00:23:52,071 Aren't you tired? 373 00:23:55,440 --> 00:23:59,399 You've got some kind of heart-lung-blood and muscle team Liz... 374 00:24:01,280 --> 00:24:03,794 And the same kind of shirts as me...£¡