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24 Cards in this Set
- Front
- Back
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What in the cardiovascular system carries blood away from the heart?
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Arteries
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What Is the largest artery in the human body?
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Aorta
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What drains blood from capillaries, then joins them from veins that take blood to the heart?
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Venules
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What is a cone-shaped, muscular organ located between the lungs behind the sternum?
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Heart
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What is a wall dividing the right and left sides of the atria and ventricles?
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Septum
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What is it called when the pumping of the heart sends out blood under pressure to the arteries?
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Blood pressure
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What is each heart beat called?
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Cardiac cycle
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What initiates the heartbeat and causes the atria to contact on average every 0.85 seconds?
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Pacemaker
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What can constrict or dilate, changing blood pressure?
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Arterolles
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What is the contraction of heart chambers?
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Systole
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Where is the cardiac control center located in the body?
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Medulla oblongata
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Where in the cardiovascular system does the nutrient and gas exchange occur?
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Capillaries
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What is a recording of the electrical changes that occur in the myocardium during a cardiac cycle?
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Electrocardium
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What around the heart is the outer membranous sac with lubricating fluid?
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Pericardium
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What issues develop when the valves of veins become weak?
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Varicose veins
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What is it called when the heart chamber relaxes after contracting?
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Diastole
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What carries blood towards the heart?
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Veins
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What are caused by varicose veins in the rectum?
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Hemorrhoids
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What is an inflammation of a vein that can lead to a blood clot and possible death if the clot is dislodged and is carried to a pulmonary vessel?
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Phiebaltis
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What is due to a build up of fatty material (plaque), mainly cholesterol, under the inner lining of arteries?
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Atherosclerosis
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What results when an embolus lodges in a cerebral blood vessel or a cerebral blood vessel bursts; a portion of the brain dies due to lack of oxygen?
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Stroke
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What occurs when a portion of heart muscle dies due to lack of oxygen?
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Heart attack
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What involves removing a segment of another blood vessel and replacing a clogged coronary artery?
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Coronary bypass operation
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What uses a long tube threaded through an arm or leg vessel to the point where the coronary artery is blocked; inflating the tube forces the vessel open?
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Angioplasty
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