issb general knowledge MCQ #796

Which organ produces red blood cells?

issb general knowledge MCQ #796

  1. Question 1

    Q1. Which organ produces red blood cells?

    • A) Liver
    • B) Bone marrow
    • C) Kidney
    • D) Spleen

    Answer: Bone marrow

    Explanation: Red blood cells are produced in bone marrow. This fact often appears in ISSB academic and general knowledge sections.