Chapter 19- The Cardiovascular System- Blood Vessel Assignment part 1 - Chapter 19 The Cardiovascular System Blood Vessel For this assignment please

Chapter 19- The Cardiovascular System- Blood Vessel Assignment part 1

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Chapter 19- The Cardiovascular System: Blood Vessel For this assignment, please read the chapter and answer the questions below. Please type your answers in red or blue color. Please note that points may be deducted if answers are not submitted in these colors. Figure 19.17 on page 718 covers bulk flow across capillary walls and Figure 19.18 on page 720 goes over events and signs of hypovolemic shock. Blood vessels are covered starting on page 721 and ends on page 744 with Table 19.13. We will be covering the actual blood vessels and their names and locations in the lab. Blood vessels: The blood vessels (arteries, arterioles, capillaries, venules, and veins) form a closed tube that carries blood away from the heart, to the cells, and back again . Arteries: Arteries are strong, elastic vessels adapted for carrying high-pressure blood. Arteries become smaller as they divide and become ___ arterioles __________________. The wall of an artery consists of an inner endothelium layer, tunica ______ media ______ (smooth muscle), and tunica ________ externia __________ (connective tissue). Sympathetic impulses reduce the diameter of the blood vessels causing _________ vasoconstriction _________; when these impulses are inhibited, the diameters of the vessels increase or ______ vasodialation _____. Arterial disorders:What is atherosclerosis? What is angioplasty? an operation to repair a damaged blood vessel or unblock a coronary artery

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