TAMU BIOL 320 review for exam 2 Questions and Answers with complete solution

venous system - Answer large veins (capacitance vessels) small veins (capacitance vessels) postcapillary venule arterial system - Answer elastic arteries, muscular arteries, arterioles, capillaries In which specific structure is blood pressure highest? - Answer The aorta Blood ____________ (leaving/entering) the heart is at its highest pressure. - Answer Leaving What are the three layers of a blood vessel from most deep to most superficial? - Answer - Tunica intima - Tunica media - Tunica externa What type of tissue is tunica intima comprised of? - Answer Endothelial tissue subendothelial layer What type of cells is tunica media comprised of? - Answer Smooth muscle and elastic fibers What type of cells is tunica externa comprised of? - Answer Collagen fibers Which tunic is significantly smaller in a vein when compared to an artery? - Answer Tunica media What are the two layers of a capillary? - Answer Basement membrane and endothelial cells What are the three types of arteries? - Answer - Elastic- Muscular - Arteriole What are the two types of veins? - Answer Venule and veins