Term
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Definition
| largest artery in the body |
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Definition
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Definition
| largest type of blood vessel that carries blood away from the heart to all parts of the body |
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Term
| arterioventricular bundle |
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Definition
| another name for bundle of His |
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Term
| arterioventricular bundle |
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Definition
| specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them |
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Term
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Definition
| What does AV node stand for? |
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Definition
| specialized tissue in the wall between the atria where electrical impulses from the pacemaker pass through to get to the bundle of His and then the ventricles |
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Definition
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Definition
| one of two upper chambers of the heart |
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Definition
| smallest blood vessel in which whose thin walls materials pass to and from the bloodstream |
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Definition
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Definition
| gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation |
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Definition
| blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle |
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Term
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Definition
| blood that is oxygen-poor |
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Term
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Definition
| relaxation phase of the heartbeat |
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Term
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Definition
| double-layered membrane surround the heart |
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Term
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Definition
| The Greek word diastole means _________ |
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Term
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Definition
| record of the electricity flowing through the heart |
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Term
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Definition
| Three ways deflections of electricity are represented |
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Term
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Definition
| inner lining of the heart |
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Term
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Definition
| innermost lining of blood vessels |
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Term
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Definition
| valve between the left atrium and the left ventricle |
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Term
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Definition
| another name for mitral valve |
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Term
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Definition
| abnormal swishing sound caused by improper closure of the heart valves |
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Term
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Definition
| muscular, middle layer of the heart |
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Term
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Definition
| heart rhythm originating in the sinoatrial node with a resting rate of 60 to 100 beats per minute |
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Term
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Definition
| gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells |
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Term
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Definition
| another name for sinoatrial node |
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Term
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Definition
| specialized nervou tissue in the right atrium that begins the heartbeat |
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Term
| artificial cardiac pacemaker |
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Definition
| an electronic apparatus implanted in the chest to stimulate hert muscle that is weak and not functioning |
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