Celery looks just like bones. This green bunch specifically targets bone strength. Bones are 23% sodium and celery is 23% sodium, brilliant! If you don't have enough sodium in your diet the body pulls it from the bones, making them weak. Celery replenishes the skeletal needs of the body. A Bunch of green goodness. This ancient information comes from The Doctrine Of Signatures which contends that every whole food has a pattern that resembles a body organ or physiological function and, that this pattern acts as a sign as to the benefit the food provides to the eater.