Which cells in human body have no nucleus?

  1. A. Muscle cells
  2. B. Phagocytic cells
  3. C. Red blood cells
  4. D. Ciliated cells

Correct Answer: C. Red blood cells

Explanation

Mature mammalian red blood cells (erythrocytes) are enucleated (lack a nucleus) to maximize space for hemoglobin, which is essential for carrying oxygen.

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