What is urea?
A: A structure in the kidney
B: The tube that connects the kidney to the bladder
C: The tube through which waste leaves the body
D: The waste removed by the kidney
Please help
Urea, also known as carbamide, is an organic compound with chemical formula CO(NH₂)₂. This amide has two –NH₂ groups joined by a carbonyl functional group. Urea serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals.
