C. aquifer: it’s a permeable rock that can contain or transmit ground water
Its is to remove liquid waste from the blood in the form of urine, and keep a stable balance of salts and other substances in the blood and produce erythropoietin, hormone that is the formation of ref blood cells. The kidney remove ursa from the blood through this filtering units called nephrons
The urea cycle also known as the o r n i t h i n e cycle is a cycle of biochemical reactions that produces you re a from ammonia this cycle occurs in u r e o t e l i c organisms
