The Kapha Dosha is comprised of the elements Earth and Water. It is the principle of potential energy, controls the body's stability and lubrication. It is also responsible for the production of the body's tissues and wastes. Kapha has all the same qualities as mucus. It is viscid, which make it slow moving. It is also slow, heavy, dull, thick, smooth, sticky and sluggish. When you think of the qualities of mud, they are akin to Kapha.