TED-ED: Why do we cry? The three types of tears - Alex Gendler

Iris is a sensitive character who constantly produces tears. The video explains the three layers of basal tears and their functions. Iris meets Onion, leading to a chemical reaction that causes reflex tears. The video also explores emotional tears, their role in mood stabilization, and their potential social functions. Despite the challenges, Iris's tears help maintain her emotional balance.

What new insight or understanding did you gain from this video?