Term
function of cardiovascular system |
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Definition
transports nutrients, waste products, gases, and hormones around the body |
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Term
two circulations of the heart |
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Definition
1) pulmonary circulation 2) systemic circulation |
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Definition
blood that is sent to the lungs to get reoxygenated |
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Definition
all the blood carried to everywhere else in the body |
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Definition
double layered sac that surrounds the heart |
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Term
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Definition
anchors and protects the heart |
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Term
three layers of tissue of the wall of the heart |
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Definition
1) epicardium 2) myocardium 3) endocardium |
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Term
epicardium is also called |
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Definition
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Term
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Definition
simple squamous epithelial tissue that lines the external surface of the heart |
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Term
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Definition
composed of cardiac muscle tissue |
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Term
endocardium is composed of |
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Definition
epithelial tissue and connective tissue |
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Term
endocardium (description) |
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Definition
lines the internal surface of the heart |
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Term
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Definition
4 compartments that the heart is divided into |
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Definition
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Definition
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Definition
receives deoxygenated blood from three blood vessels |
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Term
3 blood vessels that send blood to the right atrium |
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Definition
1) superior vena cava 2) inferior vena cava 3) coronary sinus |
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Term
superior vena cava sends ______ to the right atrium |
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Definition
deoxygenated blood from above diaphragm |
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Term
inferior vena cava sends ______ to the right atrium |
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Definition
deoxygenated blood from below diaphragm |
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Term
coronary sinus sends ______ to the right atrium |
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Definition
deoxygenated blood from the heart muscle (myocardium) |
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Term
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Definition
deoxygenated blood into the right ventricle |
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Term
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Definition
receives oxygenated blood from the lungs by way of the pulmonary veins (4) |
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Term
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Definition
oxygenated blood into the left ventricle |
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Term
function of right ventricle |
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Definition
receives deoxygenated blood from the right atrium |
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Term
the right ventricle pumps |
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Definition
deoxygenated blood into the pulmonary trunk |
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Term
pulmonary trunk divides into |
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Definition
left and right pulmonary arteries |
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Term
function of left ventricle |
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Definition
receives oxygenated blood from the left atrium |
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Term
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Definition
oxygenated blood to the rest of the body by way of the aorta |
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Term
left ventricle (description) |
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Definition
left ventricle is much thicker than the right ventricle |
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Term
function of valves of the heart |
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Definition
prevents back flow of blood in the heart |
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Term
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Definition
1) atrioventricular valves 2) semilunar valves |
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Term
location of atrioventricular valves |
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Definition
between atria and ventricles |
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Term
location of the right AV valve |
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Definition
between the right atrium and the right ventricle (also called tricuspid valve) |
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Term
location of left AV valve |
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Definition
between the left atrium and the left ventricle (also called bicuspid or mitral valve) |
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Term
what are cordae tendineae attached to |
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Definition
papillary muscles located on the inner surface of the ventricles |
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Term
function of chordae tendineae |
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Definition
prevent the valves from swinging back into the atria |
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Term
function of semilunar valves |
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Definition
prevent back flow of blood into the heart |
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Term
location of pulmonary semilunar valve |
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Definition
between the pulmonary trunk and right ventricle |
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Term
location of aortic semilunar valve |
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Definition
between the aorta and the left ventricle |
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Term
branches of the left and right coronary arteries |
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Definition
1) marginal (right) 2) posterior interventricular (right) 3) circumflex (left) 4) anterior interventricular (left) |
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Term
myocardium of the heart receives |
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Definition
oxygenated blood by way of the branches of the right and left coronary arteries |
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Term
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Definition
deoxygenated blood from the myocardium of the heart and empty the blood into the right atrium by way of the coronary sinus |
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