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/are true of an arteriole?One, some or all answers could be correct?
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It is a small artery
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It connects arteries to capillaries
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It contains smooth muscle that can contract and relax
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It controls blood flow to different organs by changing its diameter
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Explanation:
Detailed explanation-1: -Arterioles are tubes with thick walls of muscle that can adjust the amount of space they have inside. This allows them to keep your blood pressure at a certain level and control how much blood flows through your arterioles.
Detailed explanation-2: -Both arteries and arterioles are very flexible. They get bigger or smaller to help maintain your body’s blood pressure. Capillaries: These tiny blood vessels have thin walls. Oxygen and nutrients from the blood can move through the walls and get into organs and tissues.
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