Question

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State one situation when your muscles respire an aerobically.​

Answer 1

Explanation:

Human muscle cells can respire anaerobically for short periods of time. This often happens during vigorous exercise, such as 100 m sprints. The body struggles to supply the muscles with enough oxygen to keep on doing aerobic respiration but the muscles still need energy to contract.

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Answer 2

Answer:

• Anaerobic respiration occurs during high-intensity exercises when your body works so hard there is a shortage of oxygen for energy consumption.

• Due to the shortage of oxygen, your body breaks down glucose and phosphates stored in your muscles for energy. The byproduct is lactic acid, which causes muscle fatigue.

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