question: What can enter a host through the skin?
choices.text: electrical impulses beetles glowworms penicillin Air Sand Water Blood feeders
choices.label: A B C D E F G H
formatted_question: What can enter a host through the skin? (A) electrical impulses (B) beetles (C) glowworms (D) penicillin (E) Air (F) Sand (G) Water (H) Blood feeders