LeisureAsker
New member
The trachea is wet and is lined with mucus - right?
So when I accidentally put some saliva in there, or when I accidentally get water in there, why does that invoke coughing?!
I mean, there's already water in there... what's so bad about another drop of water?
So when I accidentally put some saliva in there, or when I accidentally get water in there, why does that invoke coughing?!
I mean, there's already water in there... what's so bad about another drop of water?