| A | B |
|---|
| joint | place were two or more bones come together on the skeleton |
| fixed joint | joints that cannot move, like those in the skull |
| ligaments | The tough rope like bands that hold most bones in place at a joint |
| hinge joints | joints of the knees and elbows |
| pivot joints | allow bones to rotate from side to side |
| Ball and socket joints | shoulder and hip joints |
| muscles | enable your bones to move by contracting |
| tendons | The tough, inelastic bands that attach muscles to bones |
| contract | To shorten. Muscles becomes shorter |
| antagonistic muscles | Pairs of muscles that take tulrns contracting and relaxing so we can move our limbs |
| Leonardo da Vinci | drew the human body from the inside,helped scientists and doctors understand how the human body works |
| Andreas Vesalius | dissected the bodies of people who died to explain anatomy |
| Erasistratus | doctor and teacher who was the first to write that muscles contracted and pulled on bones to move them |
| RICE | rest, ice, compression, elevation |
| brain | The command center of the nervous system |
| spinal cord | A bundle of nerves that extends from the brain down along the center of the back. Carries information from our brains to and from all parts of our body |
| nerves | Long thin body parts that send messages from your brain to and from other parts of your body |
| reaction | A response by our body to a change in the environment |
| muscular dystrophy, ALS, Parkinson's Disease,cerebral palsy | diseases of the nervous system |
| nervous system | The organ system tha includes the brain, spinal cord, sensory organs, and nerves |
