1. Aim:
How is the human skeletal system organized?

2. What are the functions of the skeletal system?
provide shape & support
aid in movement
produce red blood cells
protect vital organs
Skull – brain
Ribs – heart and lungs
Vertebrae – spinal cord
5. Store minerals (calcium & phosphorus)

3. What are the three parts of bone?
MEMBRANE
- repairs injuries, attaches to muscles
2. BONY LAYER
– bone cells. Minerals help keep them hard
MARROW
– soft tissue that produces blood cells (Red Marrow)
- store fats (yellow marrow).
How are bones held together?
- by CONNECTIVE TISSUE

4. What are the types of connective tissue?
CARTILAGE
– soft tissue between bones, acts as a cushion
- strong, flexible, & very slick
Ex: disks between vertebra
LIGAMENT
– tissue which connects 1 bone to another.
Ex: collateral ligaments in knee
TENDONS
– tissue which connects a muscle to a bone
Ex: Achille’s tendon in ankle

6. What are the different types of joints?
What is a joint?
The area where 2 bones meet.
What are the different types of joints?
1. FUSED/FIXED/IMMOVABLE
– no movements, bones are
fused together
Ex: cranium, pelvis

7. What are the Different types of Joints?
2. BALL AND SOCKET
Allows movement in all
directions
Ex. Hip, Shoulder.

8. What are the Different types of Joints?
3. HINGE Joint
– one way movement back
and forth
Ex: knee, elbow

9. What are the Different types of Joints?
4. PIVOT
- turn side to side ( rotation around a point).
Ex: neck,

10. What are the Different types of Joints?
5. GLIDING
– little movement, bones slide over, around each other
Ex: vertebrae, ankles, wrist

11. 1

12. Fun Facts The adult body is composed of ______ bones. 206
The longest bone in the body is the ______.
Femur
Before you are born your body's skeleton is mostly made of _________.
Cartilage

13. Joints and Skeletal system under Health
BrainPop
Joints and Skeletal system under Health