Multiple choice

Blood platelet formation occurs in

  1. yellow bone marrow

  2. red bone marrow

  3. spleen

  4. liver
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Platelets are produced in the bone marrow, the same as the red cells and most of the white blood cells. Platelets are produced from very large bone marrow cells called megakaryocytes.

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