There's a visible hole on the inside of your lower eye lid which drains excess tears into the sinuses:
There's A Little Hole In Your Eyelid That You Probably Never Noticed. What's It For?
this post was submitted on 06 Aug 2024
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Explain Like I'm Five
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Your tear duct drains into your nasal cavity.
And so do your ears, via the Eustachian tubes! They drain to your throat, I don't know how close the eye/ear drains are to each other.
Your sinuses are all connected up in your noggin.
Crying is when your head releases liquid.
It’s not an eye thing; it’s a head thing.