What causes damage to the lungs?
breathing tar HPV fire CFCs sunshine coal mist
A B C D E F G H
Smoke from cigarettes contains tar, which sticks to the cilia in our lungs.
Tar causes damage to the lungs.
What causes damage to the lungs? (A) breathing (B) tar (C) HPV (D) fire (E) CFCs (F) sunshine (G) coal (H) mist