“Leukemia” is a disease of:

A. Skin
B. Throat
C. None of these
D. Blood

🧠 Explanation:

Leukemia is a blood cancer affecting white blood cells, disrupting their production and function. It requires intensive treatment like chemotherapy. For medical or health science students, understanding leukemia highlights its impact on health, making it a key topic for studying blood disorders, cancer research, and advancements in medical treatments.