pop quiz Flashcards
the heart and blood vessels together constitute the
cardiovascular system
vessels that lie between arteries and veins
capillaries
the two circuits of the cardiovascular system
-pulmonary circuit
-systemic circuit
pulmonary circuit…
sends oxygen poor blood to lungs, to pick up o2
systemic circuit…
sends o2 rich blood and nutrients to all body cells
size and location of the heart
size of fists, location is mediastinum
coverings of the heart
pericardium
visceral pericardium
parietal pericardium
(pericardial cavity)
epicardium
myocardium
endocardium
know how to label heart coverings
upper Chambers of heart
atria
lower chambers
ventricles
separates the atrium and ventricles
septum
the right atrium receives blood from
vena cavae
valve that prevents backflow, large, three cusps
tricuspid valve
strong, fibrous strings, attach to tricuspid cusps
chordae tendineae
cardiac muscle tissue, contract when ventricle contracts
papillary muscles
valve that allows blood to leave the right ventricle and prevents backflow
pulmonary valve
blood passes from left atrium to left ventricle through the…
mitral valve
exit, large artery
aorta
at base of aorta, when muscles relax it prevents blood from backing up
aortic valve
