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LE Cardio vocab

LE cardio vocab

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