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Why do we hiccup? – John Cameron

John Cameron | TED-Ed

View full lesson: http://ed.ted.com/lessons/why-do-we-h…

The longest recorded case of hiccups lasted for 68 years … and was caused by a falling hog.

While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups.

But what causes these ‘hics’ in the first place?

John Cameron takes us into the diaphragm to find out.

Lesson by John Cameron.

Animation by Black Powder Design.