HHB 2.5 Arteries, Capillaries & Veins Flashcards

Front

blood vessels that allow the exchange of materials with tissues

Back

Capillaries

Front

blood vessels that contain valves

Back

Veins

Front

blood vessels that have the thickest muscular wall

Back

Arteries

Front

valves

Back

prevent the backflow of blood

Front

As blood moves away from the heart blood pressure

Back

Decreases

Front

lumen

Back

Central part of the blood vessel through which blood flows

Front

endothelium

Back

thin lining inside blood vessels

Front

vasoconstriction

Back

layer of smooth muscle surrounding arteries contracts, narrowing artery

Front

vasodilation

Back

layer of smooth muscle surrounding arteries relaxes, widening artery

Front

Pressure filtration

Back

process that causes plasma to pass through capillary walls into the tissue fluid surrounding the cells