--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.
Circulatory Systems. Another difference between annelids and arthropods is their circulatory system. Annelids and humans have closed circulatory systems in which the heart pumps blood into vessels. The blood is always contained in the vessels -- it does not enter the rest of the body.