Answer:
Medullary sinuses contain histiocytes (immobile macrophages) and reticular cells. A lymph node contains lymphoid tissue, i.e., a meshwork or fibers called reticulum with white blood cells enmeshed in it. The regions where there are few cells within the meshwork are known as lymph sinus.
Explanation:
Natural emergency: something that occurs naturally
manmade: something caused by a person (ex.shooting)
They are basically the same thing
It is <span>C) The issue was caused by the secretary’s failure to file the company’s merger request on time.
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