TAMU BIOL 320 Test 2 Questions and Answers with complete solution

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 What type of cells is tunica media comprised of? Answer Smooth muscle tissue What type of cells is tunica externa comprised of? Answer Collagen fibers Which tunic is significantly smaller in a vein when compared to and 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