ATP & Respiration: Crash Course Biology #7

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In which Hank does some push ups for science and describes the “economy” of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.

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Special thanks go to Stafford Fitness ( for allowing us to shoot the gym scenes in their facilities.

This video uses sounds from, a list of which can be found, along with the CITATIONS for this episode, in the Google Document here:

Table of Contents:
1) Cellular Respiration 01:00
2) Adenosine Triphosphate 01:29
3) Glycolysis 4:13
A) Pyruvate Molecules 5:00
B) Anaerobic Respiration/Fermentation 5:33
C) Aerobic Respiration 6:45
4) Krebs Cycle 7:06
A) Acetyl COA 7:38
B) Oxaloacetic Acid 8:21
C) Biolography: Hans Krebs 8:37
D) NAD/FAD 9:48
5) Electron Transport Chain 10:55
6) Check the Math 12:33

TAGS: crashcourse, biology, science, chemistry, energy, atp, adenosine triphosphate, cellular respiration, glucose, adp, hydrolysis, glycolysis, krebs cycle, electron transport chain, fermentation, lactic acid, enzyme, hans krebs, citric acid, ATP synthase Support CrashCourse on Subbable:


Emily Ruthven says:

things got a little fuzzy near the end of the Krebs cycle…

Rose28l says:

I had a hard time understanding, so I'm scrolling through the comment section instead LMAO

Christian Vanegas says:

Have bio test in 20 minutes. Crash course is my savior right now. lol

Anna Rose says:


Anna Rose says:

I have a test on this tomorow??????? but my teacger never taught it????????????????????????

Bia7602 says:

gateway exam anyone?

casey lydon says:

Im reading all these comments about ap bio and im literally a freshman and im learning this wth its too complicated

Melissa Mendoza says:

Thank you for the upload! This is really helping me with my AP Biology class. <3

Katie Fenocchi says:

This guy is saving my damn life this semester

Jonas Smailys says:

Had quite a few good laughs, man you're hilarious!

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