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| double layered membrane surrounding the heart |
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| artery carrying oxygen-poor blood from the heart to the lungs |
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| flow of blood from the heart to the lungs and back to the heart |
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| valve positioned between the right ventricle and the pulmonary artery |
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| one of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart |
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| beat of the heart as felt through the walls of the arteries |
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| partition or wall dividing a cavity--such as between the right and left atria and right and left ventricles |
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| division between the right and left atria |
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| division between the right and left ventricles |
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| What does SA node stand for? |
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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 |
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| The Greek word systole means ________ |
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| located between the right atrium and the right ventricle--it has three cusps |
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| structure in veins or in the heart taht temporarily closes an opening so that blood flows in only one direction |
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| thin-walled vessel that carries blood from body tissues and lungs back to the heart |
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| What do veins contain to prevent backflow of blood? |
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| The superior and inferior venae cavae return blood to the right _______ of the heart |
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| one of two lower chambers of the heart |
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| combined form meaning vessel--starts with an "a" |
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| combined form meaning aorta |
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| two combined forms meaning artery |
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| hardening of the arteries |
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