Body Systems Puzzle

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Across
  1. 2. a yellowish fluid that has nutrients, proteins, hormones, and waste product
  2. 4. master coordinator for all the messages going in and out of the brain
  3. 6. protect the nasal passageways
  4. 7. brings oxygen and nutrients to all the parts of the body so they can keep working
  5. 10. carry oxygenated blood from the heart to the rest of the body.
  6. 13. makes new bones and help repair damage
  7. 17. The cells in our bodies need ________ to stay alive
  8. 19. a muscle attached by cord-like tendons to bone
  9. 20. vibrate to make sounds.
Down
  1. 1. controls what you think and feel
  2. 3. runs from the brain down through the back.
  3. 5. is a muscle found in the heart
  4. 8. pull on the joints, allowing us to move
  5. 9. a small flap of tissue, covers the air-only passage when we swallow, keeping food and liquid from going into the lungs.
  6. 11. provide support for our bodies
  7. 12. Where two bones meet
  8. 14. Bones are made up of a framework of a protein called _____
  9. 15. largest and most complex part of the brain
  10. 16. This type of bone is strong, solid, and whitish in color. It makes up the hard outside portion of a bone.
  11. 18. Blood travels through _____ back to the heart and lungs