The Human body system

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Across
  1. 2. tough, flexible strand of connective tissue that holds bones together.
  2. 3. a body system that is made up of bones, its function is the protect, provide storage of minerals and support for body.
  3. 4. A dome-shaped muscleat the bottom of the lungs.
  4. 9. This INVOLUNTARY muscle tissue makes up our hollow organs
  5. 10. a system that transports blood around your body and is made up of heart, blood and blood vessels
  6. 13. blood vessel that carries oxygen poor blood back to the heart
  7. 14. a pair of organs in the rib cage that takes in air
  8. 15. a body system that delivers oxygen to the body and gets rid of carbon dioxide
  9. 16. blood vessel that carries oxygen rich blood away from the heart
  10. 17. muscle that contracts to pump and sends blood around your body.
  11. 19. the middle layer of the integumentary system
Down
  1. 1. a tiny blood vessel that allows exchange of nutrients and waste between blood cells and the blood
  2. 5. A body system that is made up of mostly muscles that allow your body to move and be flexible.
  3. 6. outer layer composed of epithelial cells
  4. 7. This INVOLUNTARY muscle tissue is found ONLY in the heart
  5. 8. Large air tube leading from the trachea to the lungs
  6. 10. strong, flexible, and smooth connective tissue found at the end of bones
  7. 11. Tiny sacs that blow up like tiny balloons when you breathe
  8. 12. a body system that is made up of hair, nails and skin
  9. 18. The place where two or more bones connect