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Select the correct statement regarding the specific disorder of muscular or skeletal system :-
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- Muscular dystrophy - age related shortening or muscles.
- Osteoporosis - decrease in bone mass and higher chance of fractures with advancing age.
- Myasthenia gravis - Auto immune disorder which inhibits sliding of myosin filaments
- Gout - inflammation of joints due to extra deposition of calcium.
Correct Option: B
Major causative factors of osteoporosis are imbalances of hormones like calcitonin of thyroid, parathormone of parathyroids, sex hormones, and deficiencies of calcium and vitamin D.
