The color of bone marrow is:
Correct answer: D. Both (A) and (B)
- A. Red
- B. Yellow
- C. Orange
- D. Both (A) and (B)
Explanation
Bone marrow is the soft tissue inside bones. There are two types: red bone marrow, which is involved in blood cell production, and yellow bone marrow, which primarily stores fat. Both red and yellow marrow exist in the body, depending on the bone and age. Thus, the correct answer is Both (A) and (B). Option C, Orange, is incorrect as orange is not a recognized color of bone marrow.
This question appeared on the ETEA MDCAT 2012 paper, which you can sit online with every answer explained.
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About Human Skeleton
The human skeleton provides support, protects organs, enables movement with muscles and stores minerals while bone marrow produces blood cells. Questions cover the axial and appendicular skeleton, types of bones and joints, cartilage, ligaments and tendons, and the difference between fixed, slightly movable and freely movable joints.
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