Why do we cry? The three types of tears

Title:: Why do we cry? The three types of tears
Speaker:: Alex Gendler
Description:: 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].

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Video Language:: English
Team:: closed TED
Project:: TED-Ed
Duration:: 03:59

	TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4
	TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4
	TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4
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	TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2014E/None/AlexGendler_WhydoWeCry_2014E-transcript.mp4