Human Body Systems

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