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| Description: The skeletal system has 6 important functions: Provides support Protects the internal organs (brain, heart, etc.) Assists body movements (in conjunction with muscles) Stores and releases salts of calcium and phosphorus Participates in blood cell production (hemopoiesis) Stores triglycerides in adipose cells of yellow marrow A long bone consists of several parts: Diaphysis (bone shaft) 2 epiphyses (both ends of the bone at the joints) 2 metaphyses (region between diaphysis and epiphysis) Articular cartilage covering both epiphyses Periosteum (connective tissue surrounding the diaphysis) Medullary cavity (hollow space within diaphysis) Endosteum (thin membrane lining the medulary cavity)[/color] Picture Stats: Views: 212 Filesize: 466.62kB Height: 1000 Width: 754 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40357 |