The typical construction of a leather/vinyl combination is to use leather on those areas that come in contact with your body - the seat cushion top, the inside backrest and the tops of the armrests.
(Answer #1). Human excretion is the process of removing excess water, waste material and harmful substances fro human body. The organs involved in human excretion are listed below. 1  Skin: It removes excess water,salt ans some other substances from the body. 2  It also removes excess heat from the body.3  Lungs: These remove carbon dioxide and some moisture from the body. 4  Kidneys: It removes many different waste material and harmful substances.he organs involved in human excretion are listed below. 1  Skin: It removes excess water,salt ans some other substances from the body. 2  It also removes excess heat from the body. 3  Lungs: These remove carbon dioxide and some moisture from the body.
Human waste is any substance your body does not need to maintain homeostasis. Excretion is the process of removing these unwanted products through either the skin, urinary system, respiratory system or gastrointestinal system. The primary organs involved in waste removal are liver, kidneys, lungs, intestines and skin.nce converted, urea is dumped back into the blood for collection by the kidneys and excreted in urine. Waste products released in the process of other types of catabolism are removed from your body through the skin, kidneys, lungs and intestines.