1. THE SKELETAL SYSTEM PART I

2. BONES Functions: • Support & Protection: • Movement: • Mineral & Fat Storage: • Blood Cell Formation:

3. THE SKELETAL SYSTEM IS MADE UP OF CONNECTIVE TISSUE Matrix: Cells:

4. THE SKELETAL SYSTEM Bone Tissue Comes in Two Forms: • Compact Bone: • Spongy Bone:

5. ANATOMY OF COMPACT BONE Structural Unit of Compact Bone: • Osteon :

6. THE SKELETAL SYSTEM Bones Are Dynamic: • There are 206 named bones in an adult human skeleton • Bones look stable and static, but they change throughout life

7. THE SKELETAL SYSTEM • Ossification:

8. THE SKELETAL SYSTEM • Bone Remodeling: • Lifelong process of bone deposition & absorption

9. SKELETAL DISEASES: OSTEOPOROSIS Osteoporosis: A Condition Resulting in

10. SKELETAL DISEASES: OSTEOPOROSIS Avoiding Osteoporosis:

11. SKELETAL DISEASES: RICKETS Rickets (children): • Softening/weakening of bones • Results in: • Commonly caused by

12. SKELTAL DISEASES: OSTEOGENESIS IMPERFECTA Osteogenesis Imperfecta: • Called Fragile/Brittle Bone Disease • Caused by • Enormous range in severity of defects • Severe cases result in • In less severe cases

13. SKELTAL DISEASES: SPINA BIFIDA Spina Bifida: • Malformation of vertebra • Characterized by

14. SKELTAL DISEASES: SCOLIOSIS Scoliosis: • Defined as • Most common spinal deformity • Can occur in the: • In many cases, cause is unknown