Across
- 5. covers and protects the entire body
- 6. produces chemical messengers called hormones which regulate body processes
- 9. made up of 206 bones that provides structure, shape, and protection
- 11. formed by the structures that move blood through the body
- 13. obtains vitally important oxygen from the outside world
Down
- 1. helps the body move and aids other body systems
- 2. breaks down food to provide nutrients an energy; removes solid waste from the body
- 3. groups of tissue that perform a specific job for the body
- 4. basic unit of life
- 7. allows people to think, uses the senses, move, and maintain important body processes
- 8. individual living things
- 10. organs and tissues that help fight infections
- 12. removes liquid waste from the body