In an earthworm, what is the function of the pharynx?

The digestive system is partitioned into many regions, each with a certain function. The digestive system consists of the pharynx, the esophagus, the crop, the intestine and the gizzard. Food such as soil enters the earthworm's mouth where it is swallowed by the pharynx. read 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 esophagus, the crop, the gizzard and the intestines. read more

Pharynx Function: Food particles pass from the worm’s mouth to its pharynx where the food is lubricated by mucus secretions. The food is very slimy now, which makes it easier to pass along to the esophagus. read more

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