Across
- 5. allows nutrients to be absorbed in the bloodstream.
- 7. part of the reproductive system.
- 8. returns fluids to blood vessels
- 9. lungs and trachea are part of this body system.
- 10. it produces heat as its function.
- 12. is part of the nervous system.
Down
- 1. picks up co2 waste from body cells.
- 2. this organ along with tendons and bones are part of the skeletal system.
- 3. regulates salt and water levels in body
- 4. recieves and interprets information.
- 6. provides muscle attatchment for movement.
- 11. prevents body from drying out.