antidiuretic hormone (ADH) Substance that helps control how much water is either sent to the bladder (in urine) by the kidneys or retained in circulation. In a release controlled by the brain’s hypothalamus, ADH increases the permeability of both the distal nephron tubule and the n bile Substance produced by the liver that facilitates the […]
Earthworm: Digestive System
Question: Do earthworms really eat dirt? Answer: Yes, earthworms eat dirt. But most of the dirt eaten by earthworms moves through their body and is deposited as waste. The waste of earthworms is called casts. There is much more to the earthworm’s digestive system than just eating and pooping dirt. An earthworm’s digestive system consists […]