Why must you continue to breathe heavily even after you are done exercising? A. To obtain enough oxygen to breakdown the toxic lactic acid you have built up.
B. To allow the membrane of the mitochondria to re-fold after heavy use.
C. Because your body cannot accurately sense when your muscles are done working hard.
D. To obtain enough oxygen to break down the glucose you have built up.

C. Because your body cannot accurately sense when your muscles are done working hard.

Explanation:

It is C

Explanation:

Your muscles will require less oxygen to move and they will produce less carbon dioxide. This will immediately reduce the amount of air you will need to breathe in and out for a given exercise.

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explanation:

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.