Answer:
Plagiarism is a BIG no no. If you're going to read and use someones information on a subject, make sure to tweak it. (Ex. If a piece of information says, "Thomas Edison was a great inventor and a huge genius." You can tweak it by saying., "Thomas Edison was a magnificent inventor and an enormous mastermind." Plagiarism can get you in BIG trouble for; cheating, copying and such.
Explanation:
I can't really answer unless I see the text.
Its comparing your body to the car, if you take care of it you should take care of yourself.
Your food to gas
Your organs to the parts in a car
Your pride for your body to the pride of your car