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Human Physiology The Cardiovascular System
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HAPTER 3 PHYSIOLOGIC RESPONSES LONG-TERM …
www.cdc.govhuman body responds through a series of integrated changes in function that involve most, if not all, of its physiologic systems. Movement re-quires activation and control of the musculoskeletal system; the cardiovascular and respiratory systems provide the ability to sustain this movement over extended periods. When the body engages in exer-
The Cardiovascular System - Pearson
www.pearson.comThe Cardiovascular System WHAT HOW WHY The cardiovascular system delivers oxygen and nutrients to the body tissues and carries away wastes such as carbon dioxide via blood. The heart pumps blood throughout the body in blood vessels. Blood flow requires both the pumping action of the heart and changes in blood pressure. If the cardiovascular ...