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.
Digestion is the process by which food is broken down into absorbable nutrients in your body. Digestion involves your mouth, esophagus, stomach, small intestine and large intestine, as well as accessory organs, which include the pancreas, liver and gallbladder.at digestion, which requires a digestive fluid called bile, begins in the small intestine. Bile is a digestive fluid that consists of cholesterol, bile acids, water, potassium, sodium and bilirubin -- a waste product formed from the breakdown of red blood cells.