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LE cardio vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Circulation   the transport of materials throughout the body  
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Atria   upper chambers of the heart  
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Ventricle   lower chambers of the heart  
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Septum   muscle dividing the right and left sides of the heart  
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Atrioventricular valves   valves between the atria and ventricles; control blood flow from atria to ventricle  
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Superior vena cava   large vein that drains upper part of body into heart (right atria)  
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Inferior vena cava   large vein that drains lower part of body into heart (right atria  
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Aorta   largest artery through which blood leaves heart (from left ventricle)  
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Pulmonary artery   artery that takes blood from right ventricle to lungs; only artery that carries deoxygenated blood  
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Pulmonary vein   vein that takes blood from lungs to left atria; only vein that carries oxygenated blood  
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Arteries   carry oxygenated blood away from heart to body cells; under pressure  
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Veins   carry deoxygenated blood to the heart; no pressure; contains valves  
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Capillaries   single celled thick vessels that connect arteries & veins; exchange of materials occurs here  
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Oxygenated   contains oxygen  
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Deoxygenated   does not contain oxygen; usually contains CO2  
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Diffusion   passive transport from an area of high concentration to low concentration  
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Plasma   liquid portion of the blood  
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Red blood cells   carry O2 in form of hemoglobin; mature cells do not contain nucleus  
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White blood cells   used in immune response; fight pathogens  
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Platelets   used for blood clotting  
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Lymph   fluid found in lymph vessels  
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Intercellular fluid   ICF – fluid found around cells  
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Coronary circulation   circulation within the heart muscle  
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Pulmonary circulation   circulation between the heart and lungs  
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Systemic circulation   circulation between heart and body cells  
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myocardial infarction   heart attack  
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high blood pressure   disease can lead to heart disease; increased pressure requires the heart to pump more strongly  
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anemia   lack of iron which results in lack of O2 carried by blood; fatigue common symptom  
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congestive heart failure   when heart stops pumping; usually due to fluid around the heart or lungs  
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hemophilia   blood disease due to a lack of platelets & blood clotting factors; blood cannot clot properly  
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