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The lungs
the placenta
placenta
The Placenta
It serves as a cavity within an organ or part of an animal or plant.
A vestigial is an organ that serves no useful function in an organism.
it should be the liver (part of the excretory system).
Kidney filters the minerals.
What organ in the human body with similar function
skeletal
The lung
The liver is the body organ that stores glycogen, vitamins and minerals. The minerals and vitamins are some of the nutrients that we get in small quantities from the vegetables and fruits.