BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPHATIC SYSTEM
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Question
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The vessels with thick elastic walls made of smooth muscle tissue.
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arteries
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veins
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capillaries
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heart
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Explanation:
Detailed explanation-1: -It is generally the thickest layer in arteries, and it is much thicker in arteries than it is in veins. The tunica media consists of layers of smooth muscle supported by connective tissue that is primarily made up of elastic fibers, most of which are arranged in circular sheets.
Detailed explanation-2: -Arteries have thick elastic walls and veins have valves.
Detailed explanation-3: -Arteries and arterioles have thicker walls than veins and venules because they are closer to the heart and receive blood that is surging at a far greater pressure (Figure 18.2. 2).
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