| A | B |
|---|
| SYSTEM | a group of body parts that work together to perform a job |
| ORGAN | a body part that does a job within the system |
| TISSUE | a group of cells that look alike and work together to do a certain job |
| CELL | the basic unit of all living things |
| CARTILAGE | a tough, rubbery tissue that makes up parts of the skeleton (especially in joints) |
| JOINT | the place where two bones come together |
| LIGAMENT | a strong, flexible tissue that holds bones together at a joint |
| MUSCLE | a body tissue that can tighten or loosen the moving body parts |
| TENDON | a strong cord of tissue that attaches a muscle to a bone |
| VOLUNTARY MUSCLE | the kind of muscle that a person can control |
| INVOLUNTARY MUSCLE | the kind of muscle that works without a person |
