Steps. 1  1. Purchase Tincture of Iodine. Iodine is available at most drug stores in the first aid section. Buy an iodine solution with 2% iodine. 2  2. Wash and dry the affected areas. Use antibacterial soap and warm water to cleanse the ringworm site. 3  3. Apply the tincture of iodine. Iodine comes in a small glass or plastic bottle.
Excretion is important for living things because a build up of the waste products from these chemical reactions is very dangerous for the body because it can, in excess, be poisonous. Be careful though, faeces is NOT excretion.
Excretion. A. EXCRETION. Cellular activities, such as respiration, produce wastes. Some of these wastes are harmful to the body and must be removed. An upset in the balance of body chemicals can lead to serious health problems or death. Excretion is the removal of the wastes of cell activities from the body.