This structural feature of erythrocytes (RBCs)provides increased surface area for oxygen diffusion.

Question

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Erythrocytes have a biconcave disc shape which provides a larger surface area for oxygen diffusion. This shape also allows the cells to be more flexible and move easily through narrow capillaries. Microvilli and overlapping folds in the plasma membrane are features found in other cell types but not in erythrocytes.

This Structural Feature of Erythrocytes (RBCs)provides Increased Surface Area for Oxygen