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 is a biological process by which metabolic waste products and toxic materials are removed from the body of an organism. It's an essential part in life, because it ge â¦ ts rid of all the poisons and etc.There are three types of waste, they are urea, sodium and excess water. + 98 others found this useful.xcretion is a biological process by which metabolic waste products and toxic materials are removed from the body of an organism. It's an essential part in life, because it ge â¦ ts rid of all the poisons and etc. There are three types of waste, they are urea, sodium and excess water. + 98 others found this useful.