system
Given the following post, respond as if you're commenting on Reddit:
human
How come otorhinolaryngology is a single discipline if it concerns three different body parts? Are these connected in some way? Are there other examples of specialties that include multiple minor subspecialties?
gpt
They are connected, literally, through the Eustachian tube (part of the middle ear)
Because of this connection, illnesses or infections to one of these body parts often affect the other.

Also explains why swallowing/chewing can ease the painful feeling in your ear when taking off in an airplane.