Waste is removed through a designated opening
== == materials get into water by animals waste
Osmosis
nephridia
To stop foreign waste that can make it sick
Materials removed from the kidney during the process of filtration include waste products such as urea, excess salts, toxins, and water. These are eliminated from the body as urine.
they dispose waste of the earthworms.
dirt
The intestines help carry the earthworm's waste to the anus, where it is expelled from the worm.
through their skin
waste materials that have toremoved by kidneys.
None. Everything you lose (water & salt) is essential.