In addition to this, I would always advise that you do a patch test before using an essential oil that is new to you and for information on how to do this, please see the end of this page. The following is a really good, simple and effective guide to the major essential oils and their individual contraindications. This is not a comprehensive list but a guideline only. Essential Oil.
Annelids range from giant earthworms to smallest worms in size. The biggest annelids reported so far is the Michrochaetus rappi which measure about 1.36 m and the smallest annelids is the Chaetogaster annandalai which measures 0.5 mm. There are many types of worms in the group annelids. They include earthworms, flatworms, and roundworms. The worms can be measure in the range of about an inch to several inches long. The worms like ribbon worms have the ability to grow about 100 ft in length.
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.here are about 15,000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this phylum have metameric bodies. Metameric bodies are divided into segments called annuli. The annuli are covered in tiny hairs called setae. Setae help the worms move.