The answer is A , I hope this is not to late
It form the contraction and relaxation of muscle
Answer:
It will not be significantly altered.
Explanation:
During an eight-hour fast glycolisis and cellular respiration will continue to function normally and the production of ATP would not be altered significantly, because there is a source of energy-rich molecules used in catabolism from glycogen stored in muscles and the liver, or fats stored in the fatty tissue or the muscle's protein themselves that can be used as a source of energy.
I'm not sure what you mean by "compartments", but the cardiovascular system consists of the heart, blood vessels, and approximately 5 liters of blood.
