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Assertion. Biconcave form of human RBCs is advantageous in gas exchange. Reason. A biconcave disc has 20-30% more surface area than a sphere.A. If both A and R are true and R is the correct explantion of A.B. If both A and R are true but R is not the correct explanation of A.C. If A is true but R is falseD. If both A and R are false.

Answer» Correct Answer - a


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