Why are red blood cells anucleated?

Question

Options:

A . Presence of nucleus leads to heavier cells that cannot flow in blood stream

B . Absence of nucleus leads to increased space for haemoglobin that carries molecular oxygen

C . Presence of nucleus leads to increased proliferation of RBCs which harms the body

D . All of the mentioned

Answer: Option B
Answer: (b).Absence of nucleus leads to increased space for haemoglobin that carries molecular oxygen

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