Question

Human blood maintains homeostasis in the internal environment of the body by
(a) replenishment of oxygen and elimination of CO₂
(b) replenishment of nutrients and oxygen and elimination of metabolic wastes from the extraellular fluid
(c) maintenance of ion concentration in the blood and body fluids by eliminating nitrogenous wastes
(d) maintenance of blood sugar level and conversion of aminoacids into urea and destruction of wornout RBCs

Answer 1

option A

is correct

hope its help

Answer 2

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Given

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OPTION = A