BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Lymphatic nodes contain macrophages which enable it to filtrate the lymph fluid from pathogens.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Bacteria (or their products) picked up from the tissues by cells called macrophages, or those that flow into the lymph, are forced to percolate through the lymph nodes. There, white blood cells called lymphocytes can attack and kill the bacteria.
Detailed explanation-2: -Lymph Nodes The lymph node is composed of sinuses that allow travel of lymph, the cortex and paracortex composed of T and B lymphocytes, and the medulla consisting of plasma cells and macrophages (Figure 7). Unactivated lymphocytes enter lymph nodes from the blood through high endothelial venules in the cortex.
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