EXAM 2 - BIOS255 CHAMBERLAIN Answered 100% correctly 2026

EXAM 2 - BIOS255 CHAMBERLAIN Answered 100% correctly 2026 Which form of membrane movement is ideal for the diffusion of gases? simple diffusion Which major category of tissues is ideal for lining and covering structures? epithelial tissue Tunica Intimia (interna) consists of endothelial cells, connective tissue tunica media consists of elastic fibers and smooth muscletunica externa consists of epithelial cells, connective tissue, elastic fibers which layer is the largest? tunica media why is the tunica media thicker in arteries than veins? they supply more pressure to blood what are the only blood vessels that contain valves? veins and venules what do valves do? prevent back flow of blood what is an arteryblood vessels that transports blood AWAY from the heart and TOWARDS the capillaries are arteries oxygen rich or oxygen poor? oxygen rich what is a vein? vessels that drain blood from the capillaries and transport it TOWARDS the heart are veins oxygen rich or oxygen poor? oxygen poor what is a capillary? microscopic vessel that allows for the exchange of substances between blood and tissueswhat are capillaries composed of? layer of endothelium and a basement membrane what are elastic arteries composed of? more elastic fibers than smooth muscle what do elastic arteries do? conduct blood from the heart to distant muscular arteries why do elastic arteries stretch? to accommodate blood being ejected from the ventricle what do muscular arteries consists of?