Question

What are the changes that will take place in an athletes body after racing

Answer 1

Answer:

Your heart will have to pump three to four times the amount of blood around your body during a marathon than when you are resting.

Answer 2

Answer:

Running is a heavy energy requiring process. Thus while running a 100 m race, there will be a great need of energy to muscles. thus they will start performing respiration at much higher rate. Due to this reason, there will be increased release of CO2 by muscles.