Across
- 1. Transmits signals towards different parts of the body
- 3. allows you to have good posture and move around
- 4. type of infection in the respiratory system
- 9. Made of bones and protects organs
- 10. includes nerves and clusters of nerves that connect the centeral nervous system
- 12. what makes up the muscular system
- 13. carries blood to the heart
- 14. Carries blood away and towards the heart
- 16. Something the human body needs to sustain itself
- 19. carries blood away from the heart
- 20. system that allows you to move
Down
- 2. lets you have subtle movements like facial expressions
- 5. regulates natural body processes like your heart beating
- 6. apart of the central nervous system
- 7. Protects the heart and the lungs
- 8. sends blood throughout our bodies
- 11. protects the brain
- 15. main organ in the respiratory system
- 17. place where oxygen enters your body
- 18. the skeletal system contains a lot of this