Question

7. Formation of lactic acid in muscles is because of
respiration
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Answer 1

Answer:

Lactic acid, or lactate, is a chemical byproduct of anaerobic respiration — the process by which cells produce energy without oxygen around. Bacteria produce it in yogurt and our guts. Lactic acid is also in our blood, where it's deposited by muscle and red blood cells.

Answer 2

Explanation:

In times of intense energy needs, such as during a sprint, muscles switch to anaerobic respiration because it's a much quicker way to produce energy. Lactic acid, or lactate, is a chemical byproduct of anaerobic respiration — the process by which cells produce energy without oxygen around.