Regular moderate exercise helps a patient with arthritis mainly because it
Correct answer: B. keeps the joints mobile and strengthens the muscles around them
- A. cures the disease completely
- B. keeps the joints mobile and strengthens the muscles around them
- C. regrows the worn away cartilage
- D. dissolves calcium out of the bones
Explanation
Movement nourishes cartilage, prevents stiffness and builds supporting muscle, which unloads the joint. Exercise cannot restore lost cartilage, so its benefit is protection and function, not cure.
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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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