| A | B |
| Abduction | Movement away from the body. |
| Adduction | Movement towards the body |
| Appendicular Skeleton | Bones of the limbs, pectoral, and pelvic girdle. |
| Articulation | Where ever two bones meet. |
| Axial Skeleton | The skull, vertebra column, ribs, and sternum. |
| Ball and Socket Joint | Joints typical found in shoulder and hip. A round ball fits inside of a cup. |
| Compact Bone | Dense bone |
| Extension | Movement that increase in the angle between two bones. |
| Flexion | Movement that reduces the angle between two bones. |
| Fracture | Breaks in the bone. |
| Hyperextension | An extension that is past the normal extension, usually limited by ligaments. |
| Ligament | Connect bone to bone. |
| Osteoblast | Precursor cells that create new bones. |
| Osteoclast | Bone cells that help regulate the calcium and phosphate in the body. |
| Osteocyte | Bone cells |
| Spongy Bone | Has lots of cannels that are filled with bone marrow. |