science

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Across
  1. 3. little flap that closes when you swallow
  2. 6. this organ is found in multiple systems
  3. 7. attached to bones
  4. 9. this organ helps dissolve food
  5. 10. this system generates heat
  6. 12. takes in oxygen to be delivered to the cells
  7. 13. this system sends messages to the brain
  8. 15. this system takes in oxygen
  9. 16. this organ's function is to absorb minerals and water
  10. 18. this system is made up of veins, arteries and capillaries
  11. 20. pipe that leads to the lungs
Down
  1. 1. organ that pumps blood to areas in your body
  2. 2. carry blood throughout the body
  3. 4. this system absorbs nutrients and gets rid of waste
  4. 5. these organs help make your body move around
  5. 8. nutrients from food are absorbed into the bloodstream in this organ
  6. 11. this system makes blood cells
  7. 14. lines the wall of hollow organs
  8. 17. creates a passage way for neurons to get to the brain
  9. 19. tiny balloon like air sacs