A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
Its only a valve. Topologically speaking, the passage from the mouth to the anus only constitutes one hole.
The passage of air into the lungs is not a hole however, that is a cavity. Same difference with the vagina, that's not a hole, that's a cavity.
People are donuts!
No, since you have a nose. Topologically, people have 3 holes.
7, if the cut-off is 60 microns (tear ducts). Smaller than that, we're essentially Swiss cheese.
Could be worse:
We don't have cloacas.
Idk, shitting an egg/baby sounds a lot better than present human childbirth..