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How does the circulatory system maintain homeostasis?

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Quick Answer

The circulatory system maintains homeostasis by the controlled and continuous flow of blood that reaches each cell in the body. The mechanisms within the circulatory system ensure that every cell maintains a constant internal environment.

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Full Answer

The circulation of blood is vital in maintaining homeostasis, which is the regulation of the internal conditions of the body, as described in scientist David Darling's Encyclopedia of Science. Blood carries food to cells and removes waste products.

The circulatory system comprises the heart, veins, capillaries and arteries. The system moves oxygenated blood in a continuous and controlled way from the lungs and heart so that blood reaches every cell. Blood travels through a network of vessels that include capillaries that permeate every tissue of the body. Once depleted of oxygen, the blood returns to the lungs and heart.

To maintain homeostasis, the circulatory system delivers oxygen and nutrients in the blood so that they can pass into fluids surrounding the cells. There are control mechanisms within the system to ensure that specific body areas receive a supply of blood according to their needs so that they can maintain their internal equilibrium. The circulatory system also facilitates the removal of waste products, carrying them away in plasma.

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