| A | B |
|---|
| Skeletal system | A body system made up of bones, joints, and connective tissue. |
| Marrow | A tissue in the center of some bones. |
| Joint | The point at which bones meet |
| Cartilage | Strong, flexible tissue that provides cushioning at the joints. |
| Tendons | Tough bands of tissue that attach muscles to bones. |
| Ligaments | Strong cords of tissue that connect the bones in each joint. |
| Nutrition and Physical Activity | Ways to maintain the health of the skeletal system where you carefully manage what you eat. |
| Blood cells | Millions of these are produced by the bone marrow every day. |
