Question

why also an athlete breatje faster and deeper during vigrous excise​

Answer 1

Answer:

because his heart beat is fadt

Answer 2

Answer:

⇒During the run, the demand for energy is high but the supply of oxygen to produce energy is limited. Therefore, anaerobic respiration takes places in the muscles cells to fulfil the demand for energy. Thus An athlete needs to supply extra energy to his muscle cells which have worked hard during running.

Hence after finishing the race, an athlete breathes faster and deeper than usual so that more oxygen is supplied to the cells

Explanation: