The three tunics of a blood vessel and their differences. Introduction: There are three major categories of blood vessels- veins, arteries, and capillaries. These three kinds of vessels often differ in the histological structure of their walls, apart from their location and direction of flow of blood.

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Chapter 21.1, Problem 1BYGO

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The three tunics of a blood vessel and their differences.

Introduction:

There are three major categories of blood vessels- veins, arteries, and capillaries. These three kinds of vessels often differ in the histological structure of their walls, apart from their location and direction of flow of blood.

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Question 1 Determine if the following statements are referring to the tunica intima, the tunica media or the tunica adventitia of an artery. Question 1 options: 1. Tunica intima 2. Tunica media 3. Tunica adventitia Innervated with parasympathetic and sympathetic nerve fibers Continuous with the endocardium Innermost layer Concentric layers of smooth muscle A single layer of endothelial cells consists of loose collagen fibers Question 2: Which statement best describes veins? Question 2 options: Low pressure, low volume High-pressure, high-volume High-pressure, low-volume Low pressure, high volume Question 3: Match the following vessels with the descriptions that best describe them. Question 3 options: 1. Veins 2. Arterioles 3. Capillaries 4. Venules 5. Arteries One cell layer of thick endothelium The function is to carry blood away from the heart in a progressively smaller tubular system. The primary source of peripheral resistance Collect blood from capillaries after exchange…