The simulator is designed for instruction of gastric lavage through nasal and oral passage. It features realistic landmarks in the transparent abdomen "window"; including trachea, esophagus, lungs, and stomach etc. It also designed for practicing of gastrointestinal care procedures via nasal and oral access. For exceptional realism, mucous-like fluids can be simulated as a real patient. Fluid can be added to the lungs and stomach for realistic gastric lavage and suctioning.