Skeletal System

Skeletal System 206 castanets in the system FUNCTIONS 1. Supports body and provides shape. 2. Protects internal organs. 3. driveway and anchorage of muscles. 4. Mineral storage. (Calcium and phosphorus) 5. Hemopoiesis OSTEOCYTE farm pearl cell work up FORMATION embryo skeletal starts as osteoblasts (primitive embryonic cells) then change to cartilage. At 8 weeks, OSSIFICATION begins. (Mineral matter begins to replace cartilage) Infant hit the books kooky because ossification not complete at birth. soft spot - salving spot on babys spot STRUCTURE OF large BONE DIAPHYSIS shaft EPIPHYSES ends medullary CAVITY center of shaft, filled with icteric bone totality, which is in general fat cells, also cells that form snow-clad daub cells. ENDOSTEUM lines marrow cavity Shaft is made of COMPACT BONE ends be SPONGY BONE. Ends contain rosy-cheeked marrow where red argument cells argon made. PERIOSTEUM tough, outside cove ring of bone contains blood vessels, lymph vessels and nerves. axial & appendicular SKELETON AXIAL skull, spinal column, ribs, breastbone, hyoid APPENDICULAR lift girdle, arms, pelvis, legs.

Spine Vertebral Column Encloses the spinal corduroy Vertebrae separated by pads of cartilage = intervertebral discs Cervical vertebrae (7) pectoral vertebrae (12) Lumbar vertebrae (5) Sacrum Coccyx Ribs and Sternum Sternum separate into 3 parts bottom tip is XIPHOID PROCESS 12 pairs of ribs step exercise 7 are true ribs connected to sternum by cartilage - next 3 are stupid ribs cartilage connects them to seventh rib (not sternum) - next 2 are floating Appe! ndicular Skeleton ? collarbone collar bone ? scapula shoulder blade ? humerus upper arm ? gas constant and elbow bone lower arm ? carpals wrist bones held together by ligaments ? metalcarpals throw bones ? phalanges fingers ? pelvis 3 bones (ilium, ischium, and pubis) ? femur upper leg, protracted and strongest bone in body ?...If you want to get a estimable essay, pitch it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay