BIOL 031 Lecture Notes - Lecture 28: Coronary Sinus, Pulmonary Vein, Pulmonary Artery
19 Aug 2020
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Document Summary
Cardiovascular physiology in the most ef cient circulatory systems, the hearts pumps blood through a closed system of vessels this steers blood along a speci c route and ensures systematic distribution of gases, nutrients, signal molecules and wastes. Cardiovascular system: a circulatory system comprising a heart, blood vessels, and blood. Capillaries: the microscopic vessels where blood exchanges material with the interstitial uid. A series of tubes (the blood vessels) lled with uid (blood) and connected to a pump (the heart) continuously. Pressure is generated in the heart and propels blood through the system. Blood gets oxygen at the lungs and nutrients from the intestine and delivers these substances to the body"s cells and at the same time removes cellular wastes and heat for excretion. The cardiovascular system (cvs) transports materials throughout the body. Main function is to transport materials all over the body. Nutrients, water and gases that enter the body from the external environment.
