Question

During tuning the athlete uses up lot of energy .so he she need more energy and breath faster

Answer 1

Answer:

when she or he runs fast glucose is broken down for producing energy due. to heavy breathing oxygen reach to our body parts at faster rate so more energy is produced rapidly for runing

Answer 2

Answer:

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.