Credit: Tomboy2290 | Dreamstime. Itâs common knowledge that too much cholesterol and other fats can lead to disease, and that a healthy diet involves watching how much fatty food we eat. However, our bodies need a certain amount of fat to functionâand we canât make it from scratch.Triglycerides, cholesterol and other essential fatty acidsâthe scientific term for fats the body canât make on its ownâstore energy, insulate us and protect our vital organs.They act as messengers, helping proteins do their jobs.riglycerides, cholesterol and other essential fatty acidsâthe scientific term for fats the body canât make on its ownâstore energy, insulate us and protect our vital organs. They act as messengers, helping proteins do their jobs.
Cnidarians (Cnidaria) are a group of aquatic animals that includes jellyfish, corals, sea anemones, and hydras.The basic form of the cnidarian body is quite simple and consists of a gastrovascular cavity with a single opening through which food is ingested and waste is released.nidarians (Cnidaria) are a group of aquatic animals that includes jellyfish, corals, sea anemones, and hydras.
Corals are classified in the class Anthozoa of the phylum Cnidaria. They are divided into three subclasses, Hexacorallia, Octocorallia, and Ceriantharia. The Hexacorallia include the stony corals, the sea anemones and the zoanthids. These groups have polyps that generally have 6-fold symmetry. coral head is a colony of myriad genetically identical polyps. Each polyp is a sac-like animal typically only a few millimeters in diameter and a few centimeters in length. A set of tentacles surround a central mouth opening. An exoskeleton is excreted near the base.