The main waste excreted by the skin is heat.
Perspiration is the liquid body waste excreted by the sweat glands in the dermis of the skin.
sweat ,excess water, urea, carbon dioxide and ammonia are excreted in skin.
Salt and water are excreted in the form of sweat through the skin.
Perspiration
The main substance excreted in urine is urea, which is a waste product resulting from the breakdown of proteins in the body. Other components excreted in urine include water, electrolytes, and other metabolic waste products.
Urea (the main constituent of urine) is one waste product that is produced and released by the liver.
the waste products of algae and bacteria
The kidneys act as 'filters'- removing waste products from the blood, so it can be excreted through the bladder.and colon.
The main waste compound in urine is urea, which is produced when the body breaks down protein from the food we eat. Urea is filtered out of the blood by the kidneys and excreted in urine.
Urea is the main nitrogenous waste in urine. It is an organic compound that is essential for metabolism in humans because it allows the kidneys to produce hyperosmotic 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.