The contraction for "nothing" is "nothin'."
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
He's already IS a contraction. It is a contraction of he is.
"They've" is the contraction for 'they' and 'have'.
It's is the contraction of it has and it is.
We're is a contraction of we are.
Ain't is a contraction of are not, is not or am not. As in, if it 'ain't broke don't fix it. Or it is a contraction of has not or have not. As in 'they ain't got nothing to say'
Nothing significant happens... intensity of S1 might decrease
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
There is no contraction for "its not."There is a contraction for "it is" (it's).There is a contraction for "is not" (isn't).
ECG records electrical activity and not mechanical, hence it has nothing to do with contraction. But P wave represents atrial depolarization.
He's already IS a contraction. It is a contraction of he is.
It's is the contraction of it has and it is.
There is no contraction. The contraction we're means "we are."
There is no contraction. There is a contraction doesn't which means "does not."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
We're is a contraction of we are.
The contraction for he will is He'll