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Other Platyhelminthes characteristics shared by these creatures is they are bilaterally symmetrical, this means the left and right sides of their bodies are mirror images of each other. They have distinctive head and tail ends and their body contains three cell layers.
PLATYHELMINTHES DIGESTIVE SYSTEM. This Phylum, as mentioned before, has a different and unique kind of digestive system compared to other flatworms. This is because it only has one opening for it's digestive system which is also used for it's mouth but not anus making their digestive tract incomplete.The Platyhelmthes uses it's mouth, pharynx, and intestine for its digestive system.t works but sucking food into the intestine where phagocytic cells of the gastrodermis complete digestion. The Cestoda, one of the three classes of the Platyhelmthes, does not have a digestive system and the rest of the parasitic classes rely on the host for digestion.