Question

why does an athlete breath faster after finishing the race?

Answer 1

When the athlete runs in the race, his body needs more oxygen. His rate ofbreathing increases so that more oxygen can be supplied to the body. This is the reason, an athlete needs to breathe faster and deeper than usual; after finishing the race.

Answer 2

Anathlete 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.