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8 Cards in this Set
- Front
- Back
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Atrium
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two upper chambers of the heart that contract at the same time during a heartbeat
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Ventricle
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two lower chambers of the heart that contract at the same time during a heartbeat
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Coronary circulation
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flow of blood to and from the tissues of the heart
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Pulmonary circulation
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flow of blood through the heart to the lungs and back to the heart
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Systemic circulation
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largest part of the circulatory system in which oxygen rich blood flows to all the organs and body tissues, except the heart and lungs, and oxygen-poor blood is returned to the heart
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Artery
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blood vessel that carries blood away from the heart and has thick, elastic walls made of connective tissue and smooth muscle
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Vein
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blood vessel that carries blood back to the heart and has one-way valves that keep blood moving toward the heart
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Capillary
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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
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