LYMPHATIC
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following comparisons between a vein and lymphatic vessel is correct?
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lymphatic vessel =Platelets present vein=Platelets absent
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lymphatic vessel =Erythrocytes absent vein=Erythrocytesp resent
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lymphatic vessel =Leucocytes absent vein=Leucocytes present
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lymphatic vessel =Valves absent vein=Valves present
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Explanation:
Detailed explanation-1: -Valves are absent in lymphatic capillaries. Lymph flows in lymph vessels due to contraction of the surrounding muscles. Valves are present in arteries and veins carrying blood.
Detailed explanation-2: -Like veins, the lymphatic tributaries have thin walls and have valves to prevent backflow of blood. There is no pump in the lymphatic system like the heart in the cardiovascular system.
Detailed explanation-3: -Both heart and veins contain valves. These valves are present to prevent the backflow of blood to their respective chambers. Valves help to ensure that the blood flow occurs in only one direction.
Detailed explanation-4: -Both lymphatic vessels and veins have valves to prevent backflow of fluid.
There is 1 question to complete.