To describe the pain endured by victims of emotional abuse with written words is like trying to explain what a person experiences when facing the realization of certain, impending death. It seems quite impossible. There are rips, tears, stabs and agonizing pain within her heart.
13. There are no respiratory organs and the worms breathe through its moist skin. The three classes of Annelids are: Oligochaeta (earthworms); Polychaeta (sand worms); Hirudinea (leeches). Leeches are parasitic and are used by the medical profession to withdraw blood from humans in certain situations.Source(s): ATP-Man Â· 9 years ago. Thumbs up. 5. Thumbs down. 0. 1 comment. Loading .... Bilateral symmetry. 3. True body cavity (coelom) is partitioned by structures called septa. 4. The organs of the digestive, nervous, and circulatory systems penetrate the septa and run the length of the body. 5.
Molluscs and annelids also share a eucoelomate body cavity; i,e,. the coelom is completely lined with mesoderm tissue. A major difference between them is that annelids are segmented and have a closed circulatory system whereas molluscs are not segmented and have an open circulatory system.Phylum: Mollusca - [soft body] snails, bivalves, squid and octopi. Molluscs are a diverse group with over 50,000 described species.nnelids are characterized by having elongate, conspicuously segmented body. Unlike the molluscs with their reduced coelom, annelids have a large coelom that is divided by septa between individual segments. Extreme segmentation believed to be an adaptation for burrowing in soil.