Across
- 4. what the body uses to move and is made of muscle fibers
- 5. structure that is responsible for processing food in and absorbing nutrients
- 11. how the body breaks down food into smaller pieces
- 12. structure that holds the lungs and provides oxygen to the body
- 13. structure that holds the genitals made to reproduce
- 14. structure that holds the muscles responsible for moving and lifting
- 15. the body changing to counter act external changes
- 17. how the body changes during things like perturbation
- 18. structure that is responsible for removing the waste from the body
- 20. when the outputs of a system are used as the inputs as
Down
- 1. different structures in the body to help it function
- 2. structure that holds the blood and sends it around the body
- 3. what the body uses to transport blood around the body
- 6. messaging molecules in the body
- 7. similar to arteries but are more delicate
- 8. structure that holds the nerves in the body and is responsible for the body being able to feel things
- 9. structure that creates and spreads hormones
- 10. blood vessels that bring blood from the heart to the muscles
- 16. structure that contains the bones of the body
- 19. the little strands that makes up muscles