Across
- 1. keeps stuff out of the cell
- 4. along with co2 this is made with energy
- 7. an organ that powers the circulatory system
- 8. Gatorade is a good source of this molecule
- 11. this is what lets redblood cells carry oxygen
- 12. these make up the molecule used in growth
- 13. a group of atoms joined together
- 14. when your body can't produce enough insulin
- 16. these let digested molecules into the blood
- 18. a molecule made of oxygen and carbon
- 21. where cellular respiration takes place
- 22. where vitamins are absorbed
- 24. creates enzymes that helps to break down food
Down
- 2. these exchange oxygen for co2 from the blood
- 3. you can't move or change without it
- 5. a lack of red blood cells is due to
- 6. this is a tube that leads to the stomach
- 9. smallest blood vessels
- 10. rearranging atoms into something new
- 15. covers the trachea so food doesn't get in
- 17. a large molecule made of amino acids
- 19. these signal your brain to breathe faster
- 20. can be broken down into many glucose molecules
- 23. this is a part of the respiratory system