Body systemsQuestion 1655 of 1700
What does bone marrow make?
- Red and white blood cells, and platelets
- Calcium, phosphorus, and magnesium for the bones
- Hormones that control growth and appetite
- Muscle fibers for the arms and legs
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Correct answer: Red and white blood cells, and platelets
Marrow makes blood cells. Bones only store minerals such as calcium and phosphorus.
Source: Nursing Assistant (Reuter), 11.6: Musculoskeletal System
Questions last reviewed: 18 October 2026