Anatomy blood vessels vocab
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arteries
blood vessels that carry oxygenated blood away from the heart
arteriole
carry blood to the capillaries & small venules pick up blood as it leaves the capillaries
veins
carry blood to the heart, 65% of the blood supply is in the __________
capillary
functional unit of the circulatory system as they are the site of nutrient & gas exchange (diffusion)
tunica
layer or small covering
embolism
obstruction of an artery because of a clot or air bubble
venule
small vein
vasoconstriction
squeezing down of the lumen to decrease blood flow
arteriosclerosis
thickening and hardening of the walls of the arteries
vascular
vessels or ducts that convey fluids, like blood
vasodilation
widening of the lumen to increase blood flow
