Why do we cry? The three types of tears - Alex Gendler
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TEDEd Animation
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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.
What would happen if there were no lipid layer to keep the surface of tears smooth?
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Meet The Creators
- Educator Alex Gendler
- Animator Nadav Arbel
- Artist Nir Philosof
- Narrator Addison Anderson
