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The simple eyespots seen in most turbellarians are called

The osmoregulatory organs of turbellarians are called

Parapodia in polychaetes act as

Annelid worms typically possess ALL of the following digestive structures: mouth, pharynx, esophagus, crop, gizzard, intestines, anus.

Turbellarians glide over substrates using __________ and muscular undulations.

The pyloric sphincter is located at the junction of the: 

What is this region called on this organ?

A helicobacter pylori infection in the stomach lining can lead to referred pain in the __________  region. 

What structure is a pouch at the start of the ascending colon?

Fat entering the duodenum causes it to release ___________ to cause the gallbladder to contract.