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 many blood vessels in the kidneys, and from the blood, the cells of the kidneys take out water and waste products, especially the wastes from protein foods.he process of excretion is somewhat the same in kidneys, liver, and skin, except that in each of these organs the wastes pass from the blood into a special liquid, which is later discharged from the body.