Respuesta :

student this answer is true

Answer:

True.

Explanation:

This statement is absolutely true. When we exercise our muscles demand oxygen, which is carried through bloodstream. The lungs have the function of giving oxygen to the blood, to be deliver around the whole body. So, when the body demand more oxygen (like when we exercise), lungs and heart have to work faster, having as a result an accelerated cardiorespiratory system.