The contraction for "all is" is "all's"
all is
The homophone for yule is you'll, the contraction for you will.
Aren't is a contraction of two parts of speech. Are is a verb, and not is an adverb.
this is all wrong
The contraction of I would is I'd. For example:I would get the butter but Tommy ate it all up.I'd get the butter but Tommy ate it all up.
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).
The all-or-none response means that a muscle fiber contracts fully or not at all in response to a stimulus. The strength of a muscle contraction is determined by the number of muscle fibers that are recruited to contract, rather than the degree of contraction of individual muscle fibers. Therefore, the all-or-none response influences the overall strength of a muscle contraction by determining how many muscle fibers are activated.
Yes
No, they vary
He's already IS a contraction. It is a contraction of he is.
The expansion and contraction of the arterial walls is the pulse.