Usually, due to the individual’s physique, the depth of the mouth generally varies due to height, mainly from person to person, and in adulthood the average depth of the mouth is around 12 centimeters. The mouth contains organs such as the teeth and tongue, which help in articulation, chewing of food, and so on. The front wall of the mouth is the lips, the side walls are the cheeks, and the roof is the palate. The mouth serves as the beginning of the digestive tract, and the floor of the mouth is made up of structures such as mucous membranes and muscles. The front excuses the cleft and the outside world, and the back is connected to the pharynx via the pharyngeal isthmus. The throat serves as a location where the body is susceptible to infections and lesions. Therefore, once there are other abnormalities in the throat, such as coughing, infection, pain, etc., you need to go to the hospital in time for examination and treatment.