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heart and circulatory vocab

Terms in this set (15)

apex of heart
inferior end of the heart that tapers to a blunt point right about the diaphragm
mediastium
area of the chest where the heart is located
atria
the two upper chambers of the heart
ventricle
Bottom portion of the heart, thicker walled and larger
base of heart
broader area of heart's outline located at the 3rd right and left intercostal spaces
pericardium
Membrane surrounding the heart
vena cava
either of two large veins that return oxygen-depleted blood to the right atrium of the heart
artery
carries blood away from the heart
vein
a blood vessel that carries blood from the capillaries toward the heart
aorta
the largest artery in the body
atrioventricular valves
separate each atrium and ventricle
chordae tendinae
Chords that prevent the valves from swinging back open in the chambers of the heart.
semilunar valve
a valve stopping blood from flowing back into the ventricles from the arteries
capillary bed
a network of capillaries in a tissue or organ
venules
small vessels that gather blood from the capillaries into the veins
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