Is there a reflex to make a adult open there mouth, if so how do you make somebody else open there mouth

Question

Is there a reflex to make a adult open there mouth, if so how do you make somebody else open there mouth

Answer 1

Feed a baby with a spoon and when the baby opens it's mouth you will find the person feeding will open there's.

Answer 2

I have heard that yawns are contagious.............you yawn and the person observing you will then yawn...........

Answer 3

Hold closed their nose. When they need to breath the mouth will open.

Answer 4

you could try yawning a lot

Answer 5

Hmmm....why?

Answer 6

Why would you need to know this??

Answer 7

Hold thier nose...they will have to open their mouth to breathe.

I dread to think why you want to know this! :)