STERNGRR

12345678910111213141516
Across
  1. 3. to get rid of
  2. 4. one to six on the pH scale
  3. 6. sound or light or smell
  4. 10. gas exchange
  5. 13. to change
  6. 14. eight to fourteen on the pH scale
  7. 15. something you can sense
  8. 16. to make
Down
  1. 1. to get bigger
  2. 2. to maintain homeostasis
  3. 5. internal balance
  4. 7. a guess
  5. 8. to move
  6. 9. to make new individuals like you
  7. 11. break down food
  8. 12. reaction to stimuli