During exercise, when muscle cells runs out of oxygen, _________builds up in muscles, causing a painful burning sensation

Biology

1 answer:

galina1969 [7]2 years ago

5 0

Answer:

Lactic Acid

Explanation:

In humans, a process called fermentation occurs (when a cell does not have access to oxygen) to produce ATP. A byproduct of this is lactic acid (caused by the deposition of electrons from NADH into Pyruvate.

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