Organ Systems

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Across
  1. 4. stable internal conditions needed to be healthy
  2. 6. the system that takes in nutrients and absorbs them
  3. 8. main organ is the heart, this system circulates blood and delivers nutrients to all cells
  4. 10. this system is responsible for keeping you healthy
  5. 12. this is the main organ of the respiratory system
  6. 13. this system manages communication in the body, controls all other systems
  7. 14. this organ is one of the main organs of the digestive system
  8. 15. the system that is responsible for gas exchange
Down
  1. 1. made of a collection of organ systems working together
  2. 2. this is the main organ of the nervous system
  3. 3. these organs filter in the excretory system
  4. 4. this is the main organ of the circulatory system
  5. 5. this system filters waste and excretes it as urine
  6. 7. made of a collection of cells working together
  7. 8. the smallest unit of life
  8. 9. this is made of a collection of tissue
  9. 11. the system that allows movement