Faeces, also known as EXCRETA or DUNG, is the solid waste material that is expelled from the digestive system of animals. It is composed of undigested food, bacteria, and other metabolic byproducts. Faeces can be found in a variety of forms, including liquid, semi-solid, and solid. It is usually brown in color and has an unpleasant odor. Faeces is an important part of the natural cycle of life, as it provides essential nutrients to the soil and helps to maintain the balance of the environment.