Hard to explain. Usually stars get bigger if they grow. Very large stars have shorter life. A very big star can end it's life as a super nova or a black hole.
Different sized stars burn at different temperatures. Different temperatures produce different colours. Stars that are moving away from us will shift their colours towards the red. This is called "Red shift".
population or city imit differences
Yes you can get different sized juicer machines. Different sizes will mean different prices, but you can first try a local retail store and if not there, try shopping online.
Red giant stars.
yellow
No. They have different sized different for different sized nipples.
Different sized eardrums is not a neurological (pertaining to the nervous system) problem. Most of us have different sized ears, hands, etc. Sometimes these are more obvious.
There are many "Medium" sized stars. For "What is a medium sized star" see related question.
Tattoos of stars on knuckles can have different meanings to them. They can have a nautical meaning or they can just be decorative.
Different sized testicles are normal.
Pipe organs have different sized pipes because they can then make different sounds.
They mean different thing to different people, to me they are little stars shimmering in the dash to others they are warnings from the car