Across
- 4. it is a strong protective 'helmet'
- 5. are what your skeleton made of
- 6. the smallest unit
- 7. sysytem break down food so that it can be used by the body
- 8. that supports and protect insects body
- 10. are places in our skeletal system where bones meet
Down
- 1. a group of cell
- 2. our bones cannot move without them
- 3. system transport blood around the body
- 9. work together to form a body system