1. THE HUMAN BODY
Skeletal System
Function: *protection
*structure for our bodies
*locomotion

2. ORGANS: BONES
-Made of cells --living, growing tissue

3. Bone Marrow -Soft, spongy tissue inside hard exterior
-Produces red blood cells
Bone exterior
Bone marrow

4. Nutrients needed for strong bones are:
Calcium
Phosphorous
Vitamin D

5. LIGAMENTS
-attach bone to bone.

6. -cushions between bones
CARTILAGE
-cushions between bones

7. -connect muscles to bones
TENDONS
-connect muscles to bones

8. JOINTS--Points where
bones come together.
Hinge Joints
Back and forth movement like a hinge
Ex. knees, fingers, elbows

9. Ball & Socket Joints
Move in all directions. Ex. hip, shoulder
Pivot Joints
Turn or rotate like door knobs. Ex. neck

10. Gliding Joints
Bones glide over each other. Ex. ankle, wrist
Fixed Joints
Joints are fused together. Ex. skull

11. Fun Fact
Most people have 206 bones in their body