BrainStuff

Why is carbon monoxide so poisonous?

Nov 19, 2014 · 1 min · 1.9 MB
0:00-1:53

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The structure of hemoglobin causes oxygen to bind loosely to iron -- however, carbon monoxide binds very tightly to the blood's iron, reducing your ability to breathe. Check out this podcast from HowStuffWorks to learn more.

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