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.he body wall of cnidarians consists of an outer layer or epidermis, an inner layer or gastrodermis, and a middle layer or mesoglea. Cnidarians lack organs and posses a primitive nervous system known as a neural net.
Fruits high in vitamins are the most stress relieving foods that relax your nerves; the reason why they are the best fruits for relaxation is because they assist in converting tryptophan into serotonin, which are the main hormones that aid mind relaxation.
When you know youâve got to get up early and then somehow make it through a grueling day, you might be tempted to turn to sleeping pills for a good nightâs rest. But you may not realize that your refrigerator contains a powerful variety of foods that can help you sleep better. These 20 foods, from fresh cherries to miso soup, help regulate the hormones that control sleep, stress and relaxation.