BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
CARDIOVASCULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which blood vessel has valves to prevent the back-flow of blood?
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Veins
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Arteries
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Capillaries
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None of the above
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Explanation:
Detailed explanation-1: -Veins have valves to prevent the backflow of blood because the blood in veins flow .
Detailed explanation-2: -Veins often pump blood against the flow of gravity and make use of valves to prevent the blood from flowing downwards.
Detailed explanation-3: -Solution. The valve which prevents the back flow of blood in the veins and lymph vessels is semilunar valve.
There is 1 question to complete.