Across
- 3. Takes up oxygen from the air we breathe and expels the unwanted carbon dioxide
- 5. The body's process of getting and using oxygen
- 8. An important organ in the Nervous System
- 9. This type of muscle is found in many of your organs
- 11. Your windpipe that brings oxygen and carbon dioxide in and out of your body
- 12. This carries oxygen around the body
- 16. A waste product that your body needs to get rid of and that your cells do not need
- 19. A change in the body that starts a message (impulse) to the brain
- 20. This type of muscle works by pulling bones and helping you move
- 21. Muscles that you have control over
- 23. Something all of your cells in your body need to help them function and survive
- 24. Cells that make up the nerves
- 25. Supports your body's weight, protects organs, maintains your posture, and helps you move.
Down
- 1. This type of muscle is found in your heart and helps pump blood
- 2. Gathers, processes, and responds to information
- 4. Another name for the Circulatory and Respiratory Systems working together
- 6. A group of organs/parts that work together to do a job in the body
- 7. The complex system in our body that transports needed materials and eliminates waste (through the blood)
- 10. Channels/Tubes that transport blood throughout the body
- 13. Muscles that you do not have control over
- 14. Blood vessels that carry blood away from the heart
- 15. Blood vessels that carry blood toward the heart
- 17. The tiny blood vessels throughout the body that connect arteries and veins
- 18. Send messages to and from the brain
- 22. The brain's reaction to a stimulus; the signal sent from the brain to the body