The diameter of capillaries for RBC to pass t | vedclass

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Question

(A) The average diameter of a human $RBC$ is approximately $7-8 \mu m$. Due to their flexible,biconcave shape and the presence of a cytoskeleton,$RBCs

Vedclass · Accepted Answer

$4 \mu m$

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(A) The average diameter of a human $RBC$ is approximately $7-8 \mu m$. Due to their flexible,biconcave shape and the presence of a cytoskeleton,$RBCs$ can deform and pass through capillaries that are narrower than their own resting diameter. Capillaries have a diameter ranging from $5-10 \mu m$. However,$RBCs$ can squeeze through capillaries as narrow as $4 \mu m$ by changing their shape.

The diameter of capillaries for $RBC$ to pass through should be:

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