A two-way gut system (i.e. ,gastrovascular cavity)is a characteristic of

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A two-way gut system, also known as a gastrovascular cavity, is a characteristic of platyhelminths, which are flatworms. This type of gut system allows for both digestion and the distribution of nutrients throughout the organism's body. Annelids, arthropods, and molluscs all have a one-way gut system, with a separate mouth and anus for ingestion and elimination of food.

A Two-Way Gut System (I