Blood vessels transport oxygen and nutrients to tissues from "summary" of Anatomy & Physiology by Kevin T. Patton
Blood vessels play a crucial role in the delivery of oxygen and nutrients to tissues throughout the body. These vessels form an extensive network that allows for the efficient distribution of vital substances needed for cellular function. Arteries are responsible for carrying oxygen-rich blood away from the heart and towards the tissues. As blood travels through the arteries, it branches into smaller vessels known as arterioles, which further divide into even smaller capillaries. Capillaries are the smallest blood vessels in the body and are where the exchange of oxygen and nutrients occurs between the blood and the tissues. Once oxygen and nutrients have been delivered to the tissues, waste products such as car...
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