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Why do we cry? The Three Types of Tears


Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears. [Directed by The Moving Company Animation Studio, narrated by Addison Anderson].

#crying #tears #eyes