Which of the following is not a part of the lymphatic system?
(a) Lymphatic vessels
(b) Erythrocytes
(c) Lymph
(d) Lymph nodes.
Answer: (b) Erythrocytes
Erythrocytes perhaps play an unreplaceable role in circulation for instance in the blood whereby it transpires the transport of oxygen from the lungs to the various cells of the body or in eliminating carbon dioxide from the cells and expunging it to the lungs. The structures related to the formation of the lymphatic system include vessels, nodes, and lymph and also the other structures present are the spleen, thymus and tonsils. It also acts a significant part of the human immune system as well as the regulation of fluids and the digestion of fats in the body. These are tubes which transport the lymph, a liquid which contains the white blood cells called Lymphocytes On the other hand, the lymph nodes are filter like structures which help in removing from circulation such items as bacteria, viruses or anything that may be considered as pathogen.
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