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Select the correct statement regarding the specific disorder of muscular or skeletal system:

1. Muscular dystrophy - age related shortening or muscles.
2. Osteoporosis - decrease in bone mass and higher chance of fractures with advancing age.
3. Myasthenia gravis - Auto immune disorder which inhibits sliding of myosin filaments.
4. Gout - inflammation of joints due to extra deposition of calcium.

Correct answer: Osteoporosis - decrease in bone mass and higher chance of fractures with advancing age.

Solution

Osteoporosis is characterized by reduced bone mass and deterioration of bone tissue, which increases fracture risk, especially with advancing age. The other options describe incorrect mechanisms or causes for their disorders.

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