The blood leaving the tissues becomes richer in:(a) carbon dioxide (b) water (c) haemoglobin (d) oxygen

Academic Biology NCERT Class 10

(a) carbon dioxide

During respiration, when the oxygenated blood passes through capillaries of the tissue, it gives oxygen to the body cells and takes carbon dioxide. Hence, the blood leaving the tissues becomes richer in carbon dioxide.

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Updated on: 24-Mar-2023

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