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kkurt [141]
3 years ago
12

After several miles of running and sprinting in intervals, the runner’s muscles ache and feel fatigued. Which is the best explan

ation for what has occurred?
A. The runner's muscles have accumulated lactic acid.
B. The runner’s body has failed to perform cellular respiration.
C. The runner’s cells are relying completely on aerobic respiration.
D. The runner’s muscles have accumulated carbon dioxide.
Biology
2 answers:
Licemer1 [7]3 years ago
6 0
A) the runner's muscles have accumulated lactic acid.
Katena32 [7]3 years ago
3 0

Answer: Option A

Explanation:

The aerobic respiration takes place inside the body when there is presence of oxygen in the body.

The product of aerobic respiration is carbon dioxide and water. This is a normal condition.

In case of exercises there is a lack of oxygen then anaerobic respiration takes place and end product of this respiration is ethyl alcohol and lactic acid.

The runner's muscle accumulate lactic acid in the muscles which causes pain.

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