Key Area 5 – The structure and function of arteries, capillaries and veins

branch of an artery leading to capillaries

blood vessel that carries blood away from the heart

narrow, thin-walled blood vessel that exchanges materials with the tissues

layer of cells that lines the inner surface of blood vessels

central channel of a tube such as a blood vessel

fluid made up from the tissue fluid collected into lymph vessels, which circulates the body

tiny vessels in which lymph circulates around the body

system of vessels and nodes that deals with lymph in the body

water movement from high water concentration to lower water concentration through a selectively permeable membrane

liquid component of the blood

fluid which bathes cells in tissues; derived from blood

passage of molecules through membranes under pressure

narrowing of blood vessels to reduce blood flow

widening of blood vessels to increase blood flow

blood vessel with valves that transports blood back to the heart

small branch of a vein