HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true of an artery?One, some or all answers could be correct?
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it carries blood back to the heart
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it has a thick layer of elastic tissue
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it has a thin layer of muscle tissue
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it has a narrow lumen
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Explanation:
Detailed explanation-1: -Arteries have smaller lumens than veins, a characteristic that helps to maintain the pressure of blood moving through the system. Together, their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins.
Detailed explanation-2: -Arteries are thick walled blood vessels which pump blood at high pressure away from the heart. They do not have valves as their walls are highly muscular.
There is 1 question to complete.