Cnidarians take on two basic forms, a medusa and a polyp. The medusa form is a free-swimming structure which consists of an umbrella-shaped body (called a bell), a fringe of tentacles that hang from the edge of the bell, a mouth opening located on the underside of the bell, and a gastrovascular cavity.nidarians take on two basic forms, a medusa and a polyp. The medusa form is a free-swimming structure which consists of an umbrella-shaped body (called a bell), a fringe of tentacles that hang from the edge of the bell, a mouth opening located on the underside of the bell, and a gastrovascular cavity.
Food with Diuretic Properties. A diuretic is any compound that stimulates increased production of urine, which is helpful in flushing out your kidneys. Natural foods that display diuretic properties include celery, parsley, dandelion root, cucumber, asparagus, eggplant, watercress, artichokes and watermelon.
Fruits and Vegetables. Fruits and vegetables improve your kidney function. Such fruits include grapes, cranberries and blueberries; vegetables include fennel, onions, celery, beets, spinach, string beans and asparagus. If you are suffering from kidney disease, make sure the fruits and vegetables you eat are low in potassium. Low-Potassium Foods.