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 int... More »

The digestive system maintains homeostasis by creating the proper pH balance in the gastric environment. In addition, by maintaining the correct enzyme ratio, the digestive system nurtures beneficial bacteria that inhibi... More »

The urinary system sustains homeostasis by eliminating wastes from the body, regulating blood acidity levels and controlling the levels of metabolites and electrolytes in the blood, such as sodium, potassium and calcium.... More »

The respiratory system helps maintain homeostasis by regulating the intake of air into the body and by removing carbon dioxide from the blood, which in turn assists the circulatory system's function and many other operat... More »

The dorsal blood vessel is part of the circulatory system of the earthworm that carries blood to the front of its body. It is a single structure that runs along the back of the worm's body. More »

Blood circulation is regulated by the circulatory system, and blood is distributed throughout the body by the heart. It flows from the heart into arteries that branch into smaller veins and capillaries. More »

www.reference.com Science Human Anatomy Blood

The main function of the circulatory system is transporting blood, oxygen, hormones, nutrients and other important substances throughout the body. The circulatory system is actually two separate systems of circulation, p... More »