Across
- 3. is a curved bony cage that protects the heart, lungs and liver
- 5. are the bones of a human or animal as a whole
- 6. is an action that causes the muscle to become longer and thinner
- 8. is the smallest unit of life
- 9. are places in our skeletal system
- 10. is a group of tissues that form a distinct structure
Down
- 1. is a bony structure that protects the brain
- 2. is animal with a backbone
- 4. is an action that causes the muscle you become shorter and fatter
- 7. joint they turn in one direction