Human body systems

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Across
  1. 3. this organ can break down fats and remove toxins from the body
  2. 5. our brains __________ to signals by moving our muscles
  3. 6. a large muscle below the lungs that help with breathing
  4. 9. this type of intestine mainly absorbs water
  5. 10. groups of cells of the same kind that have a specific function and make up organs
  6. 11. the main organ of the respiratory system
  7. 12. this organ system removes wastes from the body
  8. 14. this type of intestine mainly absorbs nutrients
  9. 16. when moving our bodies, we need a lot of __________ that comes from food and oxygen
  10. 18. our brains can ___________ signals
  11. 19. this organ from the excretory system stores urine
  12. 20. this organ produces acid and moves its muscles to break down food
  13. 21. body parts that perform specific functions
Down
  1. 1. this structure can shorten and lengthen to move our bones
  2. 2. this is our largest organ
  3. 4. the main goal of this organ system is to provide oxygen to our bodies
  4. 6. this organ system is closely related to food
  5. 7. the 206 bones in our bodies make up this organ system
  6. 8. this organ filters water and waste from the blood
  7. 13. this organ allows our body to adjust sugar levels
  8. 15. the heart is the main part of this organ system
  9. 17. system a group of organs that do a particular job
  10. 22. this structure allows signals to move from our sensory organs to our brains