WebThe blood vessels are veins. Arteries and arterioles have a large amount of smooth muscle tissue in a thick, well-developed tunica media. ... is greater at the aorta than at the inferior vena cava. Blood, like other fluids, moves along a pressure gradient from high pressure to areas of low pressure. If the pressure were higher in the inferior ... WebApr 5, 2024 · Arteries have thick walls because they need to withstand high pressure generated by the heart. Veins have thin walls because they do not need to withstand as …
Phlebotomy 6 Flashcards Quizlet
WebThe flow rate of blood through a vessel is directly proportional to the pressure gradient and inversely proportional to vascular resistance. If the pressure gradient is increased or resistance is decreased, flow through a vessel will increase. Vessel radius is the major determinant of blood resistance. WebA Blood vessels that carry blood to the heart are the a. Veins b. Arteries c. Arterioles d. capillaries C Blood vessles that carry blood away from the heart are the a. Veins b. Venules c. Arteries d. Capillaries Tunica Intima E & F Tunica Media C & D Tunica Adventiva A & B Endothelium E & F Smooth Muscle D & C Connective Tissue A & B cpr death
Chapter 10: Blood Vessels and Blood Pressure Flashcards
WebVeins and venules have much thinner, less muscular walls than arteries and arterioles, largely because the pressure in veins and venules is much lower. Veins may dilate to … WebE. Arteries have smooth muscle in their walls, but veins do not. B. Arteries have a thicker tunica media than veins. Which of the following best describes arteries? A. strong, rigid vessels that carry blood under high pressure B. thin, elastic vessels that transport blood under low pressure C. elastic vessels that connect arterioles and venules WebArteries carry blood away from the heart Veins contain valves which prevent the backflow of blood. Cross-section through valve Controlling blood flow In order to control blood flow … cpr decision making video speak up canada