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.
There are several organs that are involved in excreting wastes from the body. These organs include the lungs, livers, skin, and kidneys. The kidneys are the major excretory organs of the body and are part of the urinary system, which also has many other important functions. II. (formed when nucleic acids are broken down). The urinary system also regulates ion levels in the plasma by regulating the amount of sodium, potassium, chloride and other ions lost in the urine.