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