Across
- 2. It protects the spinal cord
- 3. It is made up of bones
- 5. The smallest unit of life
- 7. It is made up of a group of tissue and several of these structures work together will form a body system
- 9. A place in our skeletal system where bones meet
Down
- 1. It is made up of 12 pairs of curved bones that protects the heart
- 3. It has 22 bones and protects the brain
- 4. An action that makes our muscles to become longer and thinner
- 6. An action that makes our muscles to become shorter and fatter
- 8. A group of cells of the same kind