How the Kidney's Work

How Waste Products are Removed from the Body

Urea is formed in the liver as it breaks down excess amino-acids but it is a substance that must be removed from the body because it is a toxin. Due to this, it is transported in the blood stream in the form of plasma, which is composed of the waste products that your body cannot use, either because it already has enough of that substance or because it is a toxin. It is taken to the kidney's where…