(Definition of âravishingâ from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press) Translations of âravishingâ in Vietnamese
Page issues. The pharynx (plural: pharynges) is the part of the throat that is behind the mouth and nasal cavity and above the oesophagus and the larynx, or the tubes going down to the stomach and the lungs. The pharynx is an organ found in vertebrates and invertebrates, though the structure is not universally the same across all of those species.
The planarian has very simple organ systems. The digestive system consists of a mouth, pharynx, and a gastrovascular cavity. The mouth is located in the center of the underside of the body. Digestive enzymes are secreted from the mouth to begin external digestion.The pharynx connects the mouth to the gastrovascular cavity. planarian is one of many flatworms of the Turbellaria class. It is also the common name for a member of the genus Planaria within the family Planariidae.