View full lesson: http://ed.ted.com/lessons/oxygen-s-surprisingly-complex-journey-through-your-body-enda-butler
Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse across tiny distances, how does oxygen reach the cells deep inside your body? Enda Butler tracks the surprisingly complex journey of oxygen through your body.
Lesson by Enda Butler, animation by Compote Collective.
Tagged under: TED,TED-Ed,TED Education,TED Ed,oxygen,lungs,circulatory system,breathe,breathing,brain,bones,blood,heart,aerobic respiration,ATP,gas,diffusion,red blood cell,hemoglobin,iron,cardiovascular system,kidney,erythropoietin,brain stem,nervous system,diaphragm,alveoli,capillaries
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