Consisting of muscles, ligaments, tendons, bones and cartilage, the musculoskeletal system supports the body, provides for motion, and protects vital organs. Muscle cells are specialized to use chemical energy to produce mechanical force. Three types of muscle can be identified: skeletal muscle, smooth muscle, and cardiac muscle. The other primary tissue type within the musculoskeletal system is bone, a specialized connective tissue consisting of a collagenous matrix impregnated with calcium phosphate and other minerals. Bones serve as the main storage system for calcium and phosphorus. Bones also contain critical components of the hematopoietic system.
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Conceptual Vocabulary for The Musculoskeletal System