Presumably the big bang.
nitrogen come from the ground when it gets in the roots
The nitrogen is absorbed into the soil from the atmosphere.
my cheeks
No.
The earths air is not made up of only oxygen. it is actually about 75% Nitrogen, and only about 12% oxygen. In fact, nitrogen is the most common element on earth. so every time you breathe, or eat or sweat, your body absorbs nitrogen. Also, you cannot really talk of Nitrogen having an 'origin', as it is constantly involved in a CYCLE. Check out this diagram of The Nitrogen Cycle. http://en.wikipedia.org/wiki/File:Nitrogen_Cycle.jpg
Is of Greek origin (ΚΡΕΜΜΥΔΑΣ).
Latin
It is not possible.
BUN, why is the cumbersome term, why not just serum urea level.
Lots of gases come from volcanic eruptions, including Nitrogen. Helium is the surprising one since it is made from nuclear fusion and decay.
Nitrogen compounds known as Nitrates found in the soil
The origin of fascinate is said to have come from Italy in the late 1900s