Genphyd Midterms EXAM Flashcards
heart weight
350g
the heart is located in the ______, which extends from the ______ anteriorly to the ___________ _________ posteriorly, and lies medially between the ______ and the __________ ________ that covers them
mediastinum
sternum
vertebral column
lungs
pleural membrane
the ____ of the heart is tipped up medially and posteriorly, while the ____ projects inferiorly and laterally
base
apex
the membrane that surrounds and protects the heart and retains its position in the mediastinum
pericardium
4 chambers of the heart
left and right atrium
left and right ventricle
which part of the heart takes venous blood from the body and pumps it to the lungs for oxygenation
right heart
which part of the heart takes freshly oxygenated pulmonary blood and pumps it systemically
left heart
which part of heart is the thickest
left ventricle
responsible for only a 20% increase in the amount of blood ejected by the ventricles
atrial kick
valve that opens to allow blood to flow from the atria into the ventricles
atrioventricular valves
valve that opens to allow blood to flow from ventricles into the outflow vessels
outflow (semilunar) valves
right AV valve
tricuspid valve
left AV valve
mitral valve
right outflow valve
pulmonary valve
left outflow valve
aortic valve
heart strings
chordae tendineae
vessels that always conducts blood away from the body
arteries
