--âAfter these modules I understand the Cub Scout program.â. --âAfter completing the Before the First Meeting modules, I feel prepared for my Pack Committee meeting.â. --âThe modules in the First 30 Days training segment were relevant to my position.â.
The head and the rear of the body is not segmented. The digestive system of species in this phylum runs the length of the body. Food is taken in at one end of the body and expelled at the other end. Annelids have two sets of muscles that help them move.he head and the rear of the body is not segmented. The digestive system of species in this phylum runs the length of the body. Food is taken in at one end of the body and expelled at the other end. Annelids have two sets of muscles that help them move.
Section 4 â¢ Segmented Worms 747 Circulation Unlike most mollusks, most annelids have a closed circulatory system. Oxygen and nutrients move to various parts of their bodies through their blood vessels. At the same time carbon dioxide and metabolic wastes are removed from the blood and excreted. Some of the vessels at the anterior end, or