Why the Nose Runs When You Cry (and What Happens with a Blocked Tear Duct)

Ever wonder why the nose runs badly when you have a good cry? It's because there is a connection between the eye and nose called the nasolacrimal duct. Watch the video to see how it all works in greater detail! Also, in the latter half of the video, a blocked tear duct explanation is also provided.
Sinus (0:17)
Nasolacrimal Anatomy (0:28)
Blocked Tear Duct (1:01)
This video produced by Dr. Chris Chang:
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Music Background:
Impromptu in Blue by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. creativecommon...
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#runnynose #crying #medicalanimation