A member asked:

For what reasons might your tongue sting/ burn when you put it on both tips of a 9 volt battery?

A doctor has provided 1 answer
Dr. Theodore Davantzis answered

Specializes in Dentistry

Electricity: Batteries have electricity stored in them, and when you touch both tips with a wet, saliva coated tongue, you complete the circuit and the electric current creates the sensation.

Answered 8/6/2013

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