Contraction: It's impossible to breathe without a functioning diaphragm, but when it is preoccupied by laughing, then it must wait it's turn. Try talking and breathing at the same time...Same result, right?
Answered 3/25/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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