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.
This term is now often applied to both the Cnidaria and the Ctenophora together, based on the fact that species belonging to these two phyla have radial or biradial symmetry. Some of the other common characteristics of the Cnidaria phylum include: 1.All species belonging to this phylum have bodies that have radial symmetry. This means that they are the same shape from every side and that the whole jellyfish body is around a central axis. 2.ne of the more interesting characteristics of the species of this phylum is the fact that they exist in two different body forms. They are a polyp or a medusa at different times in their life cycle. The reproductive cycle of the members of this phylum is also distinctive.