The function of the pharynx is to transfer food from the mouth to the esophagus and to warm, moisten and filter air before it moves into the trachea. The pharynx is a part of both the digestive and respiratory systems. More »

Worms such as earthworms use their pharynxes to swallow food, according to the University of Pennsylvania. The pharynx is part of the worm's digestive system along with the crop, esophagus, intestine and gizzard. DeAnza ... More »

The pharynx comes directly after the mouth in the earthworm digestive system, where it acts as a suction pump, drawing in food items. It also excretes mucus to aid digestion in later stages. After the pharynx come the es... More »

The main function of the throat is to act as a pathway for food that links the mouth, nose, esophagus and trachea. It plays a vital role in digestion and ensures that food enters the esophagus instead of the trachea. More »

Human inhalation is achieved by breathing in through the nose or mouth, and then the air travels through the trachea and into the bronchial tubes. WebMD explains that the air is divided between the bronchial tubes that l... More » Science Human Anatomy Organs

The trachea is a respiratory pathway that funnels air towards the lungs, while the esophagus is a digestive organ that carries food to the stomach, according to HowStuffWorks. Food passing through the digestive tract to ... More »

The main function of the trachea is to deliver air from the mouth to the lungs during respiration. This part of the human body is also known as the windpipe, and it connects the larynx to the bronchi within the lungs. More »