cardiovascular vocab Flashcards
pericardium
serous membrane that surrounds the heart
epicardium
visceral portion of pericardium on the surface of the heart
myocardium
muscle tissue of the heart
endocardium
inner lining of the heart chamber
atrium
chamber of the heart that receives blood from veins
ventricles
cavity with heart ventricles that contain blood
tricuspid valve
heart valve located between the right atrium and the right ventricle
pulmonary valve
valve leading from the right ventricle to the pulmonary trunk
bicuspid valve
mitral valve
coronary arteries
an artery that supplies blood to the wall of the heart
cardiac veins
blood vessel that returns blood from the venules of the myocardium to coronary sinus
cardiac cycle
series of myocardial contractions and relaxations that constitute a complete heart beat
electrocardiogram
recording of electrical activity associated with a heart beat (EKG)
arteries
vessels that transport blood away from the heart
capillaries
small blood vessel that connects an arteriole and a venule
systolic pressire
arterial blood pressure reached during the systolic phase of the cardiac cycle
cardiac output
volume of blood per minute that the heart pumps
blood volume
the amount of blood in that body
vena cava
one of two large veins that convey de-oxygenated blood to the right atrium of the heart
aorta
major systemic artery that gets blood from the left ventricle
aortic valve
flaplike structures in the wall of the aorta near the origin to prevent blood from returning to the left ventricle of the heart
diastolic pressure
lowest arterial blood pressure reached during diastolic phase of the cardiac cycle
