Sertoli cell, Sertoli's cell-elongated cells found in the seminiferous tubules of the testis; apparently they nourish the spermatids. biological science, biology-the science that studies living organisms. plant cell-a cell that is a structural and functional unit of a plant.
The life expectancy of a toilet is more than 100 years. In fact, a study conducted by the National Association of Home Builders determined that toilets can last indefinitely.
If it is overloaded or not taken care of, a composting toilet can also draw flies or smell bad. If designed and operated properly, composting toilets are clean, odor-free and will kill the pathogens in human excrement that spread disease while creating fertilizer and saving a lot of water.nother benefit of composting toilets is that they use little or no water. By comparison, a normal toilet adds up to 5 gallons of pure drinking water to an ounce or so of waste so it can be flushed into an expensive septic or sewer system, where it is treated.