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The blood cells are formed in higher vertebrates in the _____?

The blood cells are formed in higher vertebrates in the _____?

خون کے خلیات _____ میں اعلی کشیروں میں تشکیل پاتے ہیں؟
Explanation
  • In higher vertebrates, bone marrow is the primary site for hematopoiesis (blood cell formation).
  • The liver and spleen play a role in blood cell production during fetal development.
  • But in adults, bone marrow is the main site.