1. The Skeletal System

2. The skeleton has five major functions: Shape and support Movement
Protection of internal organs
Production of blood cells
Storage of vitamins and minerals

4. The backbone or vertebral column is the center of the skeleton.

5. The backbone is made up of 26 small bones called vertebrae.

6. Parts of the Bone
Compact Bone
Spongy Bone
Bone Marrow
Outer Membrane
(Periosteum)

7. The spaces in bone contain a soft connective tissue called marrow
The spaces in bone contain a soft connective tissue called marrow. The job of the bone marrow is to make blood cells.

8. Cartilage is a connective tissue that is more flexible than bone.

9. A joint is a place in the body where two bones come together.

10. Immovable joints connect bones in a way that allow little or no movement.

11. Moveable joints allow the body to make a wide range of movement.

12. There are 4 types of moveable joints:
Ball-and-socket
Hinge
Gliding
Pivot

13. The bones in movable joints are held together by a strong connective tissue called ligaments.

14. 31. Osteoporosis is a condition in which the body’s bones become weak and break easily.