Drinking water is good enough: "kidney" because the kidney is the removal of the waste out of the body, including the hormone help build an erythropoiesis stimulating as well.
Drinking enough water is good for "kidney" because it helps eliminate waste in the kidney. From the body The hormone helps They should be called erythropoiesis as well.
Drinking water well enough, "kidney" because the kidney is to get rid of wastes out of the body, including help the hormone. That stimulate erythropoiesis.