Question

if breathing rate of person increase with increasing physical work.means person gain oxygen. then how anaerobic respiration take place in it!!!!!​

Answer 1

Answer:

See . Anaerobic respiration means respiring in lack of oxygen. It happens when one does physical exercises. During physical exercises our body wants more oxygen but the supply remains the same. So our body starts respiring anaerobicaly. That is they start respiring without oxygen. During anaerobic respiration, lactic acid is released in the legs die to which it hurts.

Thus we conclude that when a person respires anaerobicaly, lactic acid is released and it hurts