Biology

12345678910111213141516171819
Across
  1. 3. organ system that includes the lungs
  2. 5. body system that includes veins and arteries
  3. 7. made up of the amino acid building blocks
  4. 8. diffusion/movement of water
  5. 12. broken down into glucose in the body
  6. 13. system that holds up the body
  7. 15. pairs with thymine
  8. 16. double helix
  9. 18. nonvital organ
  10. 19. transport that does not require energy
Down
  1. 1. only found in RNA
  2. 2. heads are
  3. 4. movement of particles from high concentration to low concentration
  4. 6. Tails are
  5. 9. organ system that includes the stomach
  6. 10. membrane bound nucleus
  7. 11. contains Uracil
  8. 14. body system that includes the brain
  9. 15. used to allow molecules through carriers
  10. 17. pairs with cytosine