Which of the following correctly describes the structure and function of tissue layers found in blood arteries and veins?
Tunica media; contains muscle that constricts the vessels to increase blood flow
Tunica media; contains connective tissue that provides structural support
Tunica externa; contains connective tissue that provides structural support and elastin that prevents backflow
Tunica externa; contains muscle that constricts the vessels to increase blood flow and elastin that prevents backflow
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Which of the following correctly describes the structure and function of tissue layers found in bloo...
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