1. The Skeletal System

2. What is the purpose of a skeleton?
1. SUPPORTS the body and gives it shape.
2. PROTECTION of internal organs.
3. MOVEMENT of the body.
4. STORAGE of calcium and phosphorus.
5. PRODUCTION of red blood cells in the bone marrow.

3. TYPES OF SKELETONS Animals can have… NO SKELETON
EXOSKELETON (external skeleton)
ENDOSKELTON (internal skeleton)

4. MAJOR
BONES OF
THE
HUMAN
BODY

5. JOINTS – Areas of the body where two or more bones meet.
CARTILAGE – Strong, flexible tissue found in joints.
LIGAMENTS – Tissue connecting bone to bone.
MUSCLE
TENDON – Tissue connecting muscle to bone.

6. TYPES OF JOINTS
Ball and Socket Joint: Joint with the widest range of motion.
EXAMPLES: Hip and Shoulder

7. TYPES OF JOINTS
Pivot Joint: Joint with a wide range of motion (the rotation of one bone around another).
EXAMPLE: Neck

8. TYPES OF JOINTS
Gliding Joint: Joint with a large range of motion (up/down and side/side).
EXAMPLES: Ankle and Wrist

9. TYPES OF JOINTS Hinge Joint: Joint with limited motion (up/down).
EXAMPLES: Knee and Elbow

10. TYPES OF JOINTS
Fuse or Immoveable Joint: Joint with no range of motion.
EXAMPLE: Cranium
Fused Joints