It depends what you're comparing them to. Here's a list some of the parts of a starfish: radial canal ring canal stone canal stomach reproductive glands digestive glands water vasculatory system optic cushion tube feet madreporite
starfish are cool and should have organ systems cause organ systems are also cool
tubefeet
Starfish don't have a heart, or a brain...
it is connected to the back in the hole
A starfish usualy eats mussels, clams, and arteres
Hydraulic.
Starfish have suction-like cups helps to open clams
they have pinchers on their back that pinch anything that it doesnt like
The gonads of a starfish appear larger when it is mating season.
it helps eat predators and other things and digests the food it eats
considering you used a double negative "Doesnt have no", the answer to your question is that every organ has a function otherwise it would not be there
need: scissors Most people disect starfish starting at the optic cushion (sensory organ at tip of arms - looks like a slit) and cut along the arm then cut around the middle part of the starfish. You can do this to any or all of the legs and you can see all the organs this way.