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19/07/2023 8:55 pm
Topic starter
In mammals, lymphatic vessels possess:
(A) a series of valves that facilitate flow in one direction.
(B) a pumping organ known as the lymphobursae.
(C) immature red blood cells, which enter the blood stream after maturation.
(D) connective tissue, smooth muscles and endothelium like that in veins.
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19/07/2023 8:57 pm
Correct Option: (A) a series of valves that facilitate flow in one direction.