In what areas are lymph nodes clustered? Why is this desirable Explain how the flow of lymph is controlled through lymphatic vessels Are there more afferent or efferent vessels attached to a lymph...

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Answers:
1) Clustered lymph nodes are found in the groin, armpits, abdomen, neck and chest areas of our body. Lymph nodes are very important for our immune system and hence clustered nodes are desirable as they help to fight bacteria, viruses or other pathogens that enter our body.
2) Lymph flow is controlled by the lymphatic vessels by a skeletal muscle pump and hence the contraction of these muscles resulting in vessel constriction to push the fluid forward.
3) In the lymph nodes the number of afferent vessels are more in...