Moderate

Leukemia is disease of the_________?

Correct answer: B. Blood

  • A. Lungs
  • B. Blood
  • C. Skin
  • D. Heart

Explanation

Leukemia is a cancer of the blood-forming tissues, especially the bone marrow, causing abnormal production of white blood cells. It is therefore classified as a blood disease rather than a disease of a solid organ.

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