It depends on the context.
'The Universe is a mysterious place. I want to learn more about our Universe.'
'Universe' is capped because it implies only one universe.
or
'Scientists believe there are parallel universes.'
because there is more than one 'universe'.
or
'There are so many discoveries yet to be made about the known universe.'
again because it implies more than one universe.
huhugu
My body contains cells.
The ascetic priest lived a very simple, disciplined life.
Of all the simple questions, this is definitely the simplest. I think you can do it yourself.
a sentence using the word endotracheal
Did my they go over there?
huhugu
WINDBREAK!
This is a simple sentence using the words "chemical formula".
It is a bimonthly service.
A simple sentence: Blood makes me cringe.
I threw the football to Jim.
My body contains cells.
put the ice in the cup
She bid on antiques at the auction.
The knife had a sheathe included.
That is a simple question indeed.