because theye out stuff
kidney,lung and heart
THE ORGANS OF EXCRETION IS THE URETHRA
The kidney is the main organ, that is responsible for the excretion of waste products. Other organs of excretion are your liver, lungs and skin.
lung
kidneys
The organs of excretion in flatworms are contractile vacuoles. Flatworms are invertebrates that do not have any specialized excretion organs.
Epidermis, lungs, and kidneys.
Excretion
earthworm!
Liver, lungs and skin are other organs of excretion.
There are many organs that fit this description. The most well-known and often considered a vestigial organ is the appendix. Other organs that one can go without include a lung, a kidney, the pancreas, and reproductive organs.
that is because Excretion is the process of eliminating waste products of metabolism and other non-useful materials