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Publications Pvt. Ltd. Target Chapter 14: Human Skeleton and Locomotion
1
3. The cranium is made up of 8 bones:
1 – Frontal; 2 – Parietal; 1 – Occipital; 2 – Temporal; 1 – Sphenoid; 1 – Ethmoid. 6. Cervical vertebrae are 7 in number, thoracic 12 in number, lumbar 5 in number, sacral 5 in number in
childhood, they fuse in adults to form a single bone, the sacrum. Coccygeal vary from 3–5 in number. 7. Clavicle and Scapula are a part of the Pectoral girdle. 12. Osteoporosis is characterized by decrease in density of bones. 13. Head including cranium and face has a larger number of muscles than any other body part i.e. (B), (C) or
(D) given. Head has 35 muscles, Neck−32, Back−32 and Arm−17 muscles. 14. The hip joint between the head of femur and acetabulum of pelvic girdle is the largest synovial joint. 15. In Myasthenia gravis, the degree of muscle weakness varies from local to general.
Human Skeleton and Locomotion 14