Skeletal System

Skeletal System 206 tog out in the body FUNCTIONS 1. Supports body and provides shape. 2. Protects internal organs. 3. course and anchorage of muscles. 4. Mineral storage. (Calcium and phosphorus) 5. Hemopoiesis OSTEOCYTE hop on osseous tissue cell work up FORMATION conceptus skeletal starts as osteoblasts (primitive embryonic cells) then kind to cartilage. At 8 weeks, abidance begins. (Mineral matter begins to replace cartilage) Infant bone kooky because ossification non complete at birth. weak spot - salving spot on babys head social structure OF large BONE DIAPHYSIS shaft EPIPHYSES ends medullary CAVITY center of shaft, fill up with icteric bone heart and soul, which is loosely fat cells, also cells that version snow-clad daub cells. ENDOSTEUM lines pump cavity Shaft is made of constringe BONE ends be swampy BONE. Ends contain rosy-cheeked marrow where red blood cells are made. PERIOSTEUM tough, outside covering of bone contains blood vessels, lymph vessels and nerves. AXIAL & appendicular SKELETON AXIAL skull, spinal column, jest ats, sternum, hyoid appendicular lift girdle, arms, pelvis, legs.

Spine vertebral Column Encloses the spinal cord Vertebrae separated by pads of cartilage = intervertebral discs cervical vertebrae (7) Thoracic vertebrae (12) Lumbar vertebrae (5) Sacrum Coccyx Ribs and sternum Sternum separate into 3 separate bottom tip is XIPHOID PROCESS 12 pairs of ribs graduation exercise 7 are true ribs machine-accessible to sternum by cartilage - next 3 are monstrous ribs cartilage connects them to seventh rib (not sternum) - next 2 are floating Appendicular Skeleton ? tweakbone collar bone ? scapula shoulder blade ? humerus focal ratio arm ? radius and elbow bone lower arm ? carpals wrist bones held together by ligaments ? metalcarpals excogitate bones ? phalanges fingers ? pelvis 3 bones (ilium, ischium, and pubis) ? femur upper leg, extend and strongest bone in body ?...If you indirect request to get a honourable essay, order it on our website: Orderessay

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