| Term | Definition |
| 5 types of joints | Ball and Socket, Hinge , Pivot, Immovable, Gliding |
| Example of Ball and Socket joint | hips, shoulders |
| Example of Hinge joint | elbows, knees |
| Example of Pivot joint | head, arms |
| Example of Immovable joint | skull |
| Example of Gliding joint | fingers, spine |
| 5 functions of the skeleton | gives shape and support to the body, protect internal organs, major muscles are attached to bones to help them move, blood cells are formed in the center of many bones, calcium and phosphorus are stored in the skeleton for later use. |
| spongy bone | contains red marrow which produces red blood cells that carry oxygen and carbon dioxide throughout the body. |
| cartilage | the outer covering of bones |
| joint | any place where two or more of your bones come together. |
| ligament | tissue that fastens your bones together. |
| compact bone | tough; hard bone that can heal itself when broken. |
| Where is compact bone located | under the periosteum |
| What is the function of compact bone | gives bone strength |
| periosteum | soft, thin substance that covers and protects the bone; outside layer of bone. |
| Where is spongy bone located? | ends of long bones such as those in your thighs and upper arms. |