👉 Proctodaeums are a type of organ that is composed of two chambers. They are found in the human body and serve as a barrier between the digestive tract and the respiratory system. The proctodaeum consists of two parts, the mesenteric and parietal proctodaeum, which are connected by a tight junction to form an interpharyngeal foramen. This connection allows for fluid flow from the digestive tract into the respiratory system.