1. The
Skeletal
System

2. Bones
-Your Support System

3. 1. To Support 3.To Protect 2. Gives Shape 4. Helps Move
A: Purpose - The function of the Skeletal system
1. To Support
3.To Protect
2. Gives Shape
4. Helps Move

4. B; Facts: 206 A: Skull 1. ___________ Bones in the Skeleton
2. Classifided into 4 groups:
A: Skull
B: Backbone
D: Arm and Leg Bones
C: Trunk bones

5. Skull Brain C: Parts: 1. A. Protects ___________and gives head shape
B. Made up of 22 bones(only moveable is jaw)
C. The smallest are in the inner ear

6. Protects 2. Backbone: A: _______________Spinal Coard
B: Made of 33 bones called vertebra
C: Support weight of body

7. 3: Ribcage
Lungs
A: Protects ___________ and
Heart

8. Pelvis 4.
Liver
A: Protects the
and the.
Kidneys

9. II. Cartilage: 1. Smooth 2. Spongelike 3. Tough and Flexible
Ex: Gristle of meat
A: Characteristics
1. Smooth
2. Spongelike
3. Tough and Flexible

10. 1. Cushions bones when you walk and move.
B. Function
1. Cushions bones when you walk and move.
2. Reduces friction on ends of the bones.
Get 23 chicken legs for kids to eat and view cartigedge.

11. 2. Nose, ear, trachea (Windpipe)
C. Location
1. Found between bones
2. Nose, ear, trachea (Windpipe)

12. 2. Hold bones together at Joints
III. Ligaments
A. Fibers
1. Strong and Tough
2. Hold bones together at Joints

13. IV. Joints: Where bones are joined together
A. Purpose- Allow for
Movement

14. 1. Fixed joint- Moves very little
B. Types of Joints:
1. Fixed joint- Moves very little
Skull

15. 2. Ball and socket-
Allows to move in
large circles.
Hips
shoulders

16. -Allows movement back and forth
3. Hinge Joints-
-Allows movement back and forth
Knees
Elbows

17. Allows bones to move in a twisting motion
4-Gliding Joint
Allows bones to move in a
twisting motion
Between
Vertebrae
Wrist

18. Movement up and down and in a circle
5. Pivot Joint
Movement up and down and in a circle
Connects Head

19. Without this, bones become soft V. Keeping Bones Healthy Calcium
A. Need _______________
Without this, bones
become soft

20. B. Vitamin D
MILK
Good Source is

21. C. Diseases of the Bones 1. Osteoporosis
-results in a loss of Calcium, bones become soft
-Leaves bones thin, brittle and easily broken

22. Lateral curvature of spine - Unequal shoulders and back pain
2. Scoliosis
Lateral curvature of spine
- Unequal shoulders and back pain

23. An inflammation of joints -Chronic Pain
3. Rheumatoid Arthrits
An inflammation of joints
-Chronic Pain

24. B. Keeping things off steps
VI. Safety
A. Use
Helmets
B. Keeping things off steps
to prevent falls
Bring in two melons- Put one in a bike helmet
Roller blade pads, wrist pads etc
Hockey gear

25. Apply ice pack for the first 12 hours and heat pack for next 12 hours.
VII. First Aid
A. Sprains
Apply ice pack for the first 12 hours
and heat pack for next 12 hours.

26. B. Broken
1. DO NOT MOVE
2. GET HELP!

27. C. Two types of broken bones
1. Fracture
2. Compound Fracture
Bones break through the skin