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10 Cards in this Set
- Front
- Back
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cardiovascular system
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the body system that consists of th hearts bloddd vessels, and blood:also called cirulatoy system
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heart
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a hollow muscular organ that pumps blood throughout the body
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atrium
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each of the two upper chambers of the heart that receives blood that comes into the heart
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ventricle
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eacch of the two lower chambers of the heart that pumps out of the heart
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valve
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a falp of tissue in the heart or a vein that prevents blood from flowing backward
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pacemaker
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a group of cells located in the right atrium that sends out signals that make the heart muscel contrac and that regulates heart rate
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artery
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a blood vessel that carries blood away from the heart
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capillary
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a tiny blood vessel where substances are exchanged between the blood and the body cells
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vein
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a blood vessl that carries blood back to the heart
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aorta
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the largest artey in the body; receives blood from the left ventricle
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