system
Given the following post, respond as if you're commenting on Reddit:
human
A healthy human inadvertently inhales a small bug such as a fruit fly. What happens to the fruit fly if it does not get coughed or exhaled out?
gpt
Generally, debris that is inhaled and not otherwise expelled gets trapped in the mucous produced by the respiratory tract.  Microscopic cilia then act to move the material to the throat, where it is either expelled through eg. coughing, or swallowed to be disposed of via the digestive tract.