Which of the following in the human body is affected by leukemia?

A. Blood
B. Lungs
C. Eyes
D. Nerves

Check Answer

The correct answer is A. Blood.
Leukemia is a type of cancer that affects the blood and bone marrow, which are the spongy tissues inside bones where blood cells are produced. In leukemia, abnormal white blood cells are produced in the bone marrow and then enter the bloodstream, where they can interfere with the normal function of red blood cells, platelets, and healthy white blood cells. This can lead to a variety of symptoms, including fatigue, infections, bleeding, and anemia.
Option B (Lungs), option C (Eyes), and option D (Nerves) are not directly affected by leukemia. However, some of the symptoms of leukemia, such as fatigue and infections, can indirectly affect other parts of the body, including the lungs, eyes, and nerves.
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