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| largest artery in the body |
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| largest type of blood vessel; carries blood away from the heart to all parts of the body. |
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| one of two upper chambers of the heart |
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| smallest blood vessel. materials pass to and from the bloodstream throught the thin capillary walls |
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| blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle |
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| blood that is oxygen poor |
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| relaxation phase fo teh heartbeat |
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| inner lining of the heart |
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| abnormal swishing sound caused by improper closure of the heart valves. |
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| muscular, middle layer of the heart |
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| heart rhythm originating in the sinoatrial node with a resting rate of 60 to 100 beats per minute |
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| double-layer membrane surrounding the heart |
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| artery carrying oxgen-poor blood from the heart to the lungs |
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| beat of the heart as felt the walls of the arteries |
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sinoatrial node (SA node)
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| instrument to measure blood pressure |
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| flow of blood from body tissue to the heart and then from the heart back to body tissues |
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| contraction phase of the heartbeat. from the greek systole, a contracting |
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| structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction |
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| thin-walled vessel that careis blood from body tissues and lungs back to the heart. veins contain valves to prevent backflow of blood |
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| largest vein in the body. the superior and inferior venae cavae return blood to the right atrium of the heart |
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| one of two lower chambers of the heart |
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vessel
angiogram: record of vessels |
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| yellowish plaque, fatty substance |
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| atrium, upper heart chamber |
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| ventricle, lower heart chamber |
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