| A | B |
|---|
| What are the parts of a bone? | compact bone, spongy bone, red and yellow marrow |
| How do bones grow? | Bone cells replace cartilage as a person grows. |
| Name two kinds of joints | hinge joints and ball and socket joints |
| Three jobs of the skeleton | Protects organs, helps us move, gives shape to our bodies |
| Ligaments | Bands that hold two bones together |
| Tendons | Attach bones to muscles |
| What kind of joint moves back and forth? | Hinge joint |
| What kind of joint moves in a circle? | Ball and Socket |
| Examples of a hinge joint | Elbow and knee |
| Examples of a ball and socket joint | Shoulder and hip |
