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.
The excretory system is very important to your body and only has a few parts. In a similar way to removing solid waste from your body, you must also get rid of fluids. You know the results of the excretory system as urine. Urine is the result of the excretory system balancing the amount of water and salts in your body. We said the system is small. Your kidneys are the core organs involved in the excretory system. Related body parts include the ureters, bladder, and urethra.