Swallowing 2 - image description

The illustration shows a cross-section of the head from the nose, down through the mouth and the neck. It shows the structures involved in swallowing. The tongue is shown with an arrow number 1 pointing to throat. There is another arrow, number 2, at the base of the tongue pointing to the epiglottis. The epiglottis is shown covering the windpipe. The food bolus is shown passing down the throat into the top of the gullet.