Previously, previously, previously, previously, previously.
This graphic is unnerving. Clearing mucous from the lungs of an intubated patient is an exploration into a maze of not so twisty passages, all self similar. You stick a suction hose down the tube and steer it as best as possible down the branches of the bronchi. Your only feedback are the slurpy sounds of mucous discharge heading to the reservoir. Points for volume but try your best not to poke tender lung tissue.
Sounds like a game of "Operation" Don't touch the tender lung tissue.
try your best not to poke tender lung tissue.
Or be eaten by a grue, one presumes.
In this game you're eating the grues.