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.
Hydrozoa, the most diverse group with siphonophores, hydroids, fire corals, and many medusae; and. Scyphozoa, the true jellyfish. Click on the buttons below to learn more about Cnidaria. Visit the Cnidaria WWW Server for information and links dealing with all manner of cnidarians.et, these diverse animals are all armed with stinging cells called nematocysts. Cnidarians are united based on the presumption that their nematocysts have been inherited from a single common ancestor. The name Cnidaria comes from the Greek word cnidos, which means stinging nettle.