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:
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The tobacco in one cigar can contain as much as tobacco in full a packet of cigarettes.
<h3>How much tobacco is in a cigar compared to a cigarette?</h3>
Cigars are bigger than cigarettes so one cigar can contain as much tobacco as an entire pack of cigarettes. Cigars contain about 100 to 200 mg of nicotine while on the other hand, cigarettes contain approximately 10 mg of nicotine which means that 10 to 20 cigarettes have same the amount of tobacco as one cigar.
So we can conclude that the tobacco in one cigar can contain as much as tobacco in a full packet of cigarettes.
Learn more about tobacco here: brainly.com/question/220321
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