Question

why does an athlete breathe faster and deeper than usual after finishing the race​

Answer 1

Answer:

Because he requires more energy which is produced by the oxidation of food by oxygen.

Answer 2

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An Athlete needs to supply extra energy to his muscle cells which have worked hard during running. For this, he breathes faster and deeper so that more oxygen is supplied to the cells. This speeds up the breakdown of food and as a result, more energy is released.

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