Question

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

Answer 1

Anathlete needs to supply extra energy to his muscle cells which have worked hard during running. For this, hebreathes faster and deeper so that more oxygen is supplied to the cells.
OR
When the athlete runs in the race, his body needs more oxygen. His rate of breathing increases so that more oxygen can be supplied to the body.

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Answer 2

The athelete has to run fast during the race.The body needs more energy which increase the demand of oxygen to break down food athelete has to breath faster and deeper to inhale more oxygen...

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