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What Is The Major Force That Causes Blood To Circulates

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Whereas the heart provides the major force that causes blood to circulate, the circulatory system has five unique functions.
1. Carries blood. Blood vessels carry blood from the heart to almost all the body tissues and back to the heart. Blood circulates through the body, it delivers oxygen to hungry cells, tissues and organs. During exercise, the body’s demand for oxygen significantly increases, so the cardiovascular system’s oxygen-delivering function is crucial to keep the body safe.
2. Exchanges nutrients, waste products, and gases with tissues. Nutrients circulate through the body by means of the bloodstream. During exercise, your body relies mostly on carbohydrates and fats for energy. These nutrients are stored in the body as glucose,

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