Urea (the main constituent of urine) is one waste product that is produced and released by the liver.
urea
urine
The main waste excreted by the skin is heat.
Blood cells produce it, then the kidneys or your liver and liver store it in your lower abdomen until it's excreted from your body.
Urea is the nitrogenous waste product filtered from the blood and excreted in the form of urine.
Tom Sigal
when your liver assimilates proteins the excess is broken down into urea which is then excreted in urine.
All the general anesthetic agents absorbed through lungs are excreted through lungs only. Many heavy metals, rifampicin are excreted partially through skin. All the large drug molecules, not excreted by kidney are excreted by liver through bile.
Urea is produced by the liver and is excreted by the kidneys as a part of urine.
the waste products of algae and bacteria
Bile
Perspiration is the liquid body waste excreted by the sweat glands in the dermis of the skin.
Our liver converts ammonia into urea. This urea is excreted out in the urine.
Urine