Anita was feeling fatigue as she did heavy excercise for two hours. Anita had remembered that one day her science teacher taught them, what is the reason behind this?
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Answer:
hi, there if you are in 7th standard this is perfect for you.
Explanation:
Human muscles can respire anaerobically. However, lactic acid is produced during this process and accumulates in the muscles. Because of this, the muscels cannot continue working for long. They fatigued after some time causing muscle cramps.
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