science J.A and R.M

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Across
  1. 4. organ that pumps blood to areas in your body
  2. 5. this system sends messages to the brain
  3. 8. this organ helps dissolve food
  4. 11. this system absorbs nutrients and gets rid of waste
  5. 15. lines the wall of hollow organs
  6. 17. nutrients from food are absorbed into the blood stream in this organ
  7. 19. carry blood throughout the body
  8. 20. this system is made up of veins, arteries and capilaries
Down
  1. 1. takes in oxygen to deliver to the blood cells and gets rid of co2
  2. 2. this system makes blood cells
  3. 3. the organ's function is to absorb minerals and water
  4. 6. this organ is found in multiple systems
  5. 7. little flap that closes when you swallow
  6. 9. these organs help your body move
  7. 10. attached to bones
  8. 12. pipes that lead to the lungs
  9. 13. tiny balloon like air sacs
  10. 14. creates a passage way for neurons to get to the brain
  11. 16. this system takes in oxygen
  12. 18. this system generates heat