1. Locomotion
Skeletal System

2. Aim: What are the functions of the human skeleton?
I Human Skeleton
A. Function of Bone
Support and protection of body structures
Points of attachment for muscles
Serve as levers for body movements
Production of blood cells in their marrow

4. B. Cartilage
Provide support of structures while permitting some bending or motion
Provide flexibility of joints between bones
Provide cushioning against impact or pressure

6. C. Joints – site where 2 bones meet
Hinge joint – knee and elbow
Ball and socket joint – shoulder and hip
Pivot joint – skull and neck
Gliding joint – wrist
Immovable joint - skull

7. Gliding
Ball and Socket
Hinge

8. Review Time Mari! Q. What does our back bone do for us?
Who are we going to pick today…
Very good Mari. Our backbone gives us both support and protection (spinal cord).

9. Question #2 Q. Where do we find cartilage in our bodies?
Brian, are you paying attention back there? You’re up.
I knew you would know the answer. Yes, cartilage can be found at joints, in between the vertebrae, and in our ears and noses. Excellent!!

10. Work on Ticket to break.