Moderate

Blood cells arise in bone marrow and are subject to______________?

Correct answer: B. Regular renewal

  • A. Irregular renewal
  • B. Regular renewal
  • C. Infrequent renewal
  • D. None of the above

Explanation

Blood cells have continuous, regulated production because mature cells have limited lifespans and must be replaced regularly. This process is called hematopoiesis or hemopoiesis.

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