drugs

123456789
Across
  1. 4. tiny one -celled onganisms that live nearly everywhere
  2. 5. , fragile , elastic , microscopic air sacs
  3. 6. a thick , dark liquid that forms when tobacco burns
  4. 8. a disease that destroy alveoli
  5. 9. a drug that relieves pain and dulls the sense
Down
  1. 1. system the organs that supply your body
  2. 2. monoxide a colorless , odorless , poisonous gas
  3. 3. Large , done - shaped muscle below vessels nerve endings
  4. 7. the tube in the throat that takes air