Toss Up
small veins are called
venules
arteries branch into what smaller vessels
arterioles
blood that travels from the vena cava to what chamber of the heart
right atrium
where is the biscuspid valve (mitral)
between the left atrium and let ventricle
slinglike sac that keeps heart in place
pericardium
inner layer of heart
endocardium
what vessels carry blood away from the heart
arteries
blood that travels from the pulmonary arteries to what vessels
pulmonary veins
where is the aortic valve
between left ventricle and aorta
what is the name of the vein that drains the head and the brain
jugular vein
name the 2 semilunar valves
pulmonic and aortic
what vessels are called exchange vessels
capillaries
blood that travels from the heart to the lungs and then back to the lungs is
pulmonary circulation
what is the most common pulse site
radial (thumb side of the wrist)
atrioventricular valve between right atrium and right ventricle
tricuspid valve
what is the name of the artery that feeds the head and brain
carotid artery
what vessels carry blood back to the heart
veins
blood that travels from the heart to the body systems and then back to the heart is called what
systemic circulation
what is a systolic pressure
the pressure on the walls of the arteries at the peak of ventricular contraction
oxygen moves from the lungs into the blood, CO2 moves from the blood to the lungs
defective valves in the leg veins can cause what condition
varicose veins
what vessels supply the nutries to the heart
coronary arteries
blood flows from the pulmonary capillaries to the pulmonary veins to the left atrium to the left ventricle to the ________
aorta
what is the function of a valve
to keep the blood flow in one direction
middle layer of heart: _____________
outer layer of heart: ______________
outer: epicardium