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?
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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?
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.