An apostrophe is added to contractions.
There is no contraction (no apostrophe is used). The slang short form is kinda.
Isometric contraction. This type of contraction occurs when the muscle generates tension without changing its length, such as when holding a weight in a fixed position.
It's a contraction of "can" and "not".
A contraction.
isometric
This seems to be the reverse of a different spelling error.The colloquial adverb term is spelled "kind of" meaning "slightly" or somewhat.The common spelling error should of is a misspelling of the informal contraction should've (should have).
Smooth muscle is responsible for the contraction that moves limbs.
Muscle
"It's" is a contraction for "it is" or "it has," which are present tense verb phrases.
it is a contraction for "a el" which means "at the". kind of like how in English you say "can't" instead of "cannot"
isometric
she is on a no added salt diet