creatinine
Urea
You might mean nitrogen which is the colourless gas that constitutes about 3/4 of the earth's atmosphere.
Assuming the urea has the normal grade of 46% nitrogen, it has a total of 100 pounds, or units, of nitrogen.
Make a typing error!
Nitrogen
nitrogen
Anabolism creates positive nitrogen balance. That means sort of body building. Catabolism creates negative nitrogen balance. That means loss of proteins from your body.
The kidneys excrete urea, from protein catabolism, and uric acid, from nucleic acid metabolism.
c
Nitrogen is the most common element in the Earth's atmosphere.
You might mean nitrogen which is the colourless gas that constitutes about 3/4 of the earth's atmosphere.
Where_do_nitrogenous_wastes_come_from_in_the_human_body"WTF?! ^
The Earth's atmosphere is approximately 79% nitrogen.
Air contains approximately 78% nitrogen gas.
The atomic weight of nitrogen is approximately 14.007 atomic mass units (u).
Air is approximately 80% Nitrogen, 19% oxygen and 1% others
Approximately 78%
Approximately 78%.