Circulatory System Vocabulary
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20 terms
Terms | Definitions |
|---|---|
 atria | Two superior chambers of the heart, serve as receiving chambers |
| ventricles | the two lower chambers of the heart, and they pump blood out to the lungs and body. |
| aorta | the large trunk artery that carries blood from the left ventricle of the heart to branch arteries |
| superior vena cava | large vein that brings oxygen poor blood from the upper part of the body to the right atruim |
| inferior vena cava | brings oxygen poor blood from the lower part of the body to the right atrium |
| pulmonary arteries | carries oxygen poor blood from the right ventricle to the lungs to pick up oxygen and release carbon dioxide waste |
| pulmonary veins | a vein carrying oxygenated blood from the lungs to the left atrium of the heart |
| septum | thick wall of muscle that separates right and left sides of heart |
| bicuspid valve | is a dual flap (bi = 2) valve in the heart that lies between the left atrium (LA) and the left ventricle (LV). |
| tricuspid valve | The right atrioventricular valve which consists of three cusps |
| arteries | are muscular blood vessels that carry blood away from the heart. |
| veins | vessels that carry blood to the heart from the venules |
| capillaries | exchange nutrients with tissue |
| pacemaker | a specialized bit of heart tissue that controls the heartbeat |
| atherosclerosis | Clogging, narrowing, and hardening of the body's large arteries and medium-sized blood vessels. |
| cardiovascular disease | A disease characterized by abnormally high levels of blood glucose., a disease of the heart or blood vessels |
| lymph | fluid lost by the blood into surrounding tissue |
| cholesterol | A waxy, fat-like substance in the bloodstream of all animals. It is believed to be dangerous when it builds up on arterial walls and contributes to the risk of coronary heart disease; found only in animals not in plants |
| plaque | A deposit of fatty material on the inner lining of an arterial wall |
| diabetes | A disease characterized by abnormally high levels of blood glucose. |
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