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29 Cards in this Set
- Front
- Back
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What do we call the top two chambers of the heart?
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atria
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What do we call the bottom two chambers of the heart?
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ventricles
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What are the arteries leading from the heart to the lungs called?
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pulmonary arteries
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What are the veins leading from the lungs to the heart called?
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pulmonary veins
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What is the main artery that takes blood out of the heart to the body?
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ascending aorta
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What are the names of the two veins that bring deoxygenated blood from the tissues of the body back to the heart?
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superior vena cava and inferior vena cava
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What is it that you are hearing when you hear your heart beat?
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You hear the valves closing.
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What do the two numbers in a person's blood pressure mean?
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The 1st is the pressure against the artery walls when the ventricles contract (systolic blood pressure) The 2nd is the pressure against the artery walls when the ventricles relax (diastolic).
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What is the large vein that collects blood from the lower parts of the body?
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inferior vena cava
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What is the thick muscular wall between the two ventricles?
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interventricular septum
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What are the lower two chambers of the heart that push the blood out of your heart?
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ventricles
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What are the only arteries that can carry deoxygenated blood called? These carry blood from the right ventricle to the lungs.
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pulmonary arteries
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What are the deposits of fatty material that build up inside the blood vessels called?
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plaque
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What are the "doors" that open and close and are located between atrium and ventricle and between the ventricle and the blood vessel leaving the ventricle called?
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valves
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What is the largest artery in the body? It carries oxygenated blood away from the heart to arteries serving the body.
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aorta
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What is the special fibrous sack that holds the heart in place?
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pericardium
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What is the thin smooth tissue that lines the inside walls of the heart?
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endocardium
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What are the valves that are placed between the atrium and the ventricle on each side of the heart called? There are two of them.
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atrio-ventricular valves
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What is the 2nd number in a person's blood pressure? It indicates the pressure against the arterial walls when the ventricles relax.
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diastolic blood pressure
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What are the half-moon shaped valves that keep blood from flowing backwards into the ventricles from the aorta and pulmonary artery when the heart relaxes between beats?
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semi-lunar valves
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What is the thin wall between the two atria?
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inter-arterial septum
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What is the large vein that collects blood from the upper parts of the body called?
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superior vena cava.
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What are the two top chambers of the hear?
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atria
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What do we call the momentary stretching of arteries caused by the rush of blood forced out of the heart with each contraction?
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pulse
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What is the measurement of force pushing against the walls of the arteries?
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blood pressure
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What is the 1st number in a person's blood pressure? It indicates the pressure against the arterial walls when the ventricles contract?
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systolic blood pressure
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What are the veins that carry oxygenated blood from the lungs to the heart?
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pulmonary veins
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What is the heart muscle?
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myocardium
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What is the unique cluster of cells inside the heart that causes the heart to beat on its own?
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pacemaker
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