| A | B |
| ball and socket joint | enables free movement in most directions i.e. shoulder, hip |
| sliding joint | allows bones to glide over one another i.e. wrist |
| hinge joint | enables back and forth movement along one plane i.e. elbow, knee |
| ligaments | bands of connective tissue attaching bones |
| tendons | connective tissue attaching skeletal muscles to bones |
| smooth muscle | involuntary muscle of the digestive tract and blood vessels |
| cardiac muscle | involuntary muscle of the heart |
| skeletal muscle | voluntary muscles attached to bones for movements |
| joint | places where two or more bones connect |
| cartilage | soft flexible tissue which give rise to bones |
| mechanical advantage | benefit gained by using a machine to lift loads |
| flexor muscle | a muscle bending a part of the body |
| extensor muscle | muscle straightening part of your body |
| lever | rigid bar moving on a fulcrum pivot |