How organs interact with each other.

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Across
  1. 3. protect.
  2. 4. in good physical condition.
  3. 5. function.
  4. 6. skeletal system.
  5. 7. the heart pumping blood through veins.
  6. 9. what you breath.
  7. 10. nourishing.
Down
  1. 1. with the lungs.
  2. 2. body system.
  3. 5. function to produce force and motion.
  4. 8. dioxide Co.