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Circulatory System

TermDefinition
circulatory system Also known as the cardiovascular system
heart muscular hollow organ called the "pump" of the body
endocardium inner layer of the heart
myocardium middle layer of the heart
pericardium outer layer of the heart
septum separates the heart into left and right sides
atria upper chambers of the heart
ventricles lower chambers of the heart
tricuspid valve one-way valve located between the right atrium and right ventricle.
pulmonary valve one-way valve located between the right ventricle and pulmonary artery.
pulmonary valve Takes deoxygenated blood to the lungs.
bicuspid or mitral valve one-way valve located between the left atrium and left ventricle
aortic valve one-way valve located between the left ventricle and aorta.
aorta largest artery in the body
aortic valve takes oxygenated blood to the body cells.
pulmonary veins bring oxygenated blood from the lungs.
arteries carry blood away from the heart
veins carry blood to the heart.
capillaries connect arteries and veins.
diastole brief period of rest in the cardiac cycle
systole period of ventricular contraction in the cardiac cycle
closed fist the size of the heart
oxygen and nutrients transported to the body cells
carbon dioxide and metabolic materials transported away from the body cells.
Created by: ntgibson
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