Body Systems

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Across
  1. 1. place where two bones meet
  2. 3. group of tissues that work together
  3. 5. small air sacs in the lungs
  4. 6. short tubes that carry air from the trachea to the lungs
  5. 8. soft tissue in the middle of bones
  6. 10. a group of organs that work together
  7. 14. bands of tissue that holds bones together
  8. 15. part of the brain that controls ability to learn
  9. 16. Smallest living part of the body
  10. 18. lower part of the heart
Down
  1. 2. tissue fibers that conect muscle to bones
  2. 4. small blood vessels that connect arteries to veins
  3. 7. part of the brain that controls how well muscles work together
  4. 9. Group of cells that work together
  5. 11. thick band of nerve cells through which messages travel the body
  6. 12. blood vessel that carries blood away from the heart
  7. 13. upper part of the heart
  8. 17. vessel that carries blood to the heart