2.  Provide shape and support  Protection of internal organs  Storing minerals and fat  Producing blood cells and platelets  Assisting with movement

3.  Composed of: inorganic salts (calcium), bone cells, blood vessels, nerves, collagen  Needs food and oxygen  Continue to grow throughout life, replacing damaged bone

5.  Osteoblasts (build up bone)  Osteoclasts (clean up bone and debris)  Cartilage  Aponeurosis  Dense (compact bone)  Spongy (cancelous bone)

7.  Long: femur, humerus, tibia, fibula  Short: small cubed-shaped: carpals, tarsals, toes  Flat: usually cover organs: scapula, pelvis, skull,ribs  Irregular: bones of ear, vertebrae, bones of face  Sesamoid: patella (knee cap)

9.  Cranium = 8 bones  Face = 14 bones  Ears  Mandible is the only movable part of the skull

10.  Crown  Root  Enamel  Cementum  Dentin  Pulp  32 teeth in an adult

11.  Ribs  True ribs: first 7  False ribs: lower 5 ( last 2 are called floating ribs)  Intercostal space: contains muscles, blood vessels, nerves  Sternum  Vertebral bones = 26 bones true false

12.  Joints are named by the bones they join  Synarthrosis (immovable): cranial bones  Amphiarthrosis (slightly movable): ribs connected to sternum  Diarthrosis (freely movable, synovial) Synovial joints contain a bursa: fluid filled sac

13. 1. Ball and socket: shoulder, hip 2. Hinge: elbow, ankle, knee 3. Gliding: in between the carpal bones 4. Pivot: Radius on ulna 5. Saddle: Thumb (thumb touching finger tips) 6. Gomphosis: (teeth)