Genphyd Cardiovascular Quiz Flashcards
extends from the sternum anteriorly to the vertebral column posteriorly, and lies medially between the two lungs and pleural membrane that covers them
mediastinum
heart position
base - tipped up medially, posteriorly
apex - projects inferiorly, laterally
membrane that surrounds and protects the heart and retains its position in the mediastinum
pericardium
hearts 4 chambers
upper - atria
lower - ventricles
which side of the heart receives deoxygenated blood and pumps it to the lungs
right heart
which side of the heart pumps the oxygenated blood to the body
left heart
outflow
semilunar valves
open to allow blood to flow from the atria into the ventricle
atrioventricular
exit
valve
heart strings
chordae tendineae
vessels that conduct blood away from the heart
arteries
arteries contain?
oxygenated blood
vessels that bring blood back to the heart
veins
veins contain?
deoxygenated blood
major arteries that attach to the heart
arch of aorta
pulmonary trunk
coronary arteries
major veins that attach to the heart
superior and inferior venae cavae
4 pulmonary veins
coronary sinus
ejects blood into the aorta and etc powered by the left side of the heart
systemic circuit
ejects blood into the pulmonary trunk powered by the right side of the heart
pulmonary circuit
blood flow
right atrium (deoxy)
tricuspid valve
right ventricle
pulmonary trunk and arteries
pulmonary capillaries
pulmonary veins (oxy)
left atrium
bicuspid valve
left ventricle
aortic valve
aorta
systemic capillaries
SIC
the rhythmic electrical activities they produce is called
autorhythmicity
pacemaker of the heart
sinoatrial node
