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Circulatory System

TermDefinition
atrium two upper chambers of the heart that contract at the same time during a heartbeat
ventricle two lower chambers of the heart that contract at the same time during a heartbeat
coronary circulation flow of blood to and from the tissues of the heart
pulmonary circulation flow of blood through the heart to the lungs and back to the heart
systemic circulation largest part of the circulatory system in which oxygen-rich blood flows to all the organs and body tissues except the heart and the lungs and oxygen-poor blood returns back to the heart
artery blood vessel that carries blood away from the heart and has a thick,elastic walls made of connective tissue and smooth muscle tissue
vein blood vessel that carries blood to the heart and has one-way valves that keeps blood moving to the heart
capillary microscopic blood vessel that connects arteries and veins; has walls one cell thick, through which nutrients and oxygen diffuse into body cells, and waste materials and carbon dioxide diffuse out of body cells
Created by: dakota_wolfe