The mouth is an oval-shaped cavity inside the head. Both major functions of the mouth are consuming and talking. The mouth is also referred to as the oral cavity or the buccal cavity. The lips mark the shift from skin to wet mucous membrane layer. Mouth cavity, the mouth cavity is bounded by numerous structures. The alveolar arcs border the mouth cavity at the front and on the sides, overhead are the soft and tough tastes buds and below is the tongue. The mouth cavity is kept damp by secretions from the submaxillary and sublingual salivary glands located in the floor of the mouth under the tongue. Teeth, an individual has 2 collections of teeth over the course of a life time. The ordinary child has their complete set of 20 primary teeth by the age of three years. The baby teeth begin to befall between the ages of about 6 and 7 years, and are progressively replaced by long-term teeth. By about 21 years, the ordinary person has 32 irreversible teeth, 16 in the top jaw and 16 in the bottom jaw. Palate, includes the soft and difficult palates. The soft taste buds is a layer of membrane that hangs between the mouth cavity and the rear of the throat. The little dangling bit you can see when you stand out your tongue and state ah' is called the uvula. Tongue, the tongue is comprised virtually completely of muscle mass fibres. Small salivary glands, make the clear fluid that keeps the mouth wet and includes enzymes to break down food.
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