Q95 / 120 · NEET 2012 (Mains) · Zoology

Which one of the following human organs is often called the 'graveyard' of RBCs?

  • A
    Gall bladder
  • B
    Kidney
  • Correct answer
    C
    Spleen
  • D
    Liver

Solution

The average life span of human RBCs is 120 days. The aged RBCs attract autoantibodies after which they are attached by macrophages in liver and spleen. Spleen is also called as graveyard of RBCs. The process of destruction of RBCs is called haemolysis. About 2.5 million RBCs destroyed every second in body.

Hence, the correct answer is option: 'C'.

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