Earth Worm Disection Parts Function Digestive System - Prostomium - a small fleshy lobe that extends over the mouth, used to help dig through the soil - Mouth - the entrance for food into the digestive system, located under the prostomium - Pharynx - A tube at the beginning of the digestive tract that creates a sucking action to remove food particles from the soil, located just behind the mouth - Esophagus - a narrow …showed first 75 words of 467 total…

…showed last 75 words of 467 total…the eggs are hatched and the young worms develop. - Setae - Bristle structures found on the skin of the worm. Four pair of Satae are found on each segment except the first and last. Satae are used for movement. - Segments (somites) - The divisions in the skin of a segmented worm. The internal segments are called septum. There can be over 100 segments in the body of a worm. Bibliography http://www.earthworms.com