The Skeletal System PDF

The Skeletal System Functions of Skeletal System Support Storage of minerals and lipids Blood cell production Protection Leverage General Classifications Long Bones Short Bones Flat Bones...

The Skeletal System Functions of Skeletal System Support Storage of minerals and lipids Blood cell production Protection Leverage General Classifications Long Bones Short Bones Flat Bones Irregular Bones Anatomy of Bones Periosteum Epiphysis Diaphysis Medullary Cavity Bone Marrow Yellow Red Bone Tissue Compact Bone Found in shafts of long bones Outer layer of other bones Spongy Bone Arranged in bars and plates Makes bone lighter in weight Bone Growth and Repair Ossification Osteoprogenitor cells Osteoblasts Osteocytes Osteoclasts Bone Growth and Repair Intramembranous ossification Endochondral ossification Appositional Bone Growth Bone Repair  A form of connective tissue Provides: flexibility Cushion shock absorber Bursa Cartilage  Gliding joints Hinge joints Saddle joints Joints and Ellipsoidal joints Ligaments (condyloid joints) Pivot joints Ball-and-socket joints Movement Special Regions Axial Skeleton Appendicular Skeleton Human Skull Bony Thorax Spinal Column Upper and Lower Extremities Fun Facts about Bones Regular exercise is an 1/5 of the skeleton is important stimulus in recycled and replaced maintaining normal or repaired each year. bone structure. A typical human body contains 1–2 kg (2.2–4.4 The reduction in bone lb) of calcium, with 99 mass begins between percent deposited in ages 30 and 40. the skeleton.