Across
- 3. illnesses
- 7. the commmand center of the body
- 9. parts of food that keep the body healthy
- 11. bacteria and viruses that are harmful
- 14. hard to understand or difficult to do
- 15. process by which food is broken down into a useable form
Down
- 1. body parts that perfreom specific functions
- 2. to hold up something or someone so that it doesn't fall down
- 4. groups of organs that work together in the body
- 5. strong and well
- 6. muscle that pumps blood through the body
- 8. thin fibers that connect your brain to your body
- 10. the frame that supports the body and gives it shape
- 12. done by choice
- 13. vessels passageways through which blood circulates
