Skeletal System

Skeletal System 206 swot up in the body FUNCTIONS 1. Supports body and provides shape. 2. Protects internal organs. 3. bridle-path and anchorage of muscles. 4. Mineral storage. (Calcium and phosphorus) 5. Hemopoiesis OSTEOCYTE matured attire cell work up FORMATION conceptus skeletal starts as osteoblasts (primitive embryonic cells) then heighten to cartilage. At 8 weeks, con songism begins. (Mineral matter begins to replace cartilage) Infant tusks kooky because ossification non complete at birth. weak part - salving spot on babys head expression OF large BONE DIAPHYSIS shaft EPIPHYSES ends medullary CAVITY center of shaft, fill up with icteric bone effect, which is in general fat cells, also cells that form snow-clad daub cells. ENDOSTEUM lines pump cavity Shaft is made of league BONE ends be squishy BONE. Ends contain rosy-cheeked marrow where red blood cells argon made. PERIOSTEUM tough, outside covering of bone contains blood vessels, lymph vessels and nerves. AXIAL & appendicular SKELETON AXIAL skull, spinal column, ridicules, 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 breastbone Sternum separate into 3 part bottom tip is XIPHOID PROCESS 12 pairs of ribs graduation exercise 7 are true ribs attached to sternum by cartilage - abutting 3 are fictional ribs cartilage connects them to seventh rib (not sternum) - next 2 are floating Appendicular Skeleton ? copbone collar bone ? scapula shoulder blade ? humerus upper berth arm ? radius and elbow bone lower arm ? carpals wrist bone up held together by ligaments ? metalcarpals switch grind away ? phalanges fingers ? pelvis 3 bones (ilium, ischium, and pubis) ? femur upper leg, lengthy and strongest bone in body ?...If you compulsion to get a honorable essay, order it on our website: Ordercustompaper.com

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