What is the function of the circulatory system?
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The circulatory system transports blood, nutrients, gases (like oxygen and carbon dioxide), hormones, and waste products throughout the body. The heart pumps blood through a network of arteries, veins, and capillaries, ensuring that oxygenated blood reaches tissues while deoxygenated blood is returned to the lungs for reoxygenation. The circulatory system plays a crucial role in maintaining homeostasis, regulating temperature, and supporting immune function. The system consists of the heart, blood vessels, and blood.