question: What undesireable item can iritate when it penetrates lungs?
choices.text: Feather. Fungi Smog. rabies insects larynx moles Oxygen.
choices.label: A B C D E F G H
formatted_question: What undesireable item can iritate when it penetrates lungs? (A) Feather. (B) Fungi (C) Smog. (D) rabies (E) insects (F) larynx (G) moles (H) Oxygen.