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locomotion
| Term | Definition |
|---|---|
| chitin | substance made of carbohydrates. |
| immotile (sessile) | can not move, stationary. |
| locomotion | movement. |
| molt | to change the skeleton. |
| chordates | organisms that have a back bone. |
| endoskeleton | inside skeleton. |
| exoskeleton | outside skeleton. |
| flexor | muscles that bend. |
| ossification | the natural process of bone formation. |
| tendon | connect muscles to bones. |
| ligament | connects bone to bone. |
| axial | brain and spinal column. |
| striated | muscle that has lines. |
| visceral | smooth muscles. |
| extensor | arm and legs (the limbs) |