The mouth includes several connected parts that help with eating, speaking, tasting, swallowing, and saliva control. The main groups usually include the lips, cheeks, teeth, gums, tongue, palate, salivary glands, and oral lining. Explore mouth anatomy with a labeled diagram of the parts of the mouth, lips, tongue, and palate, plus their roles in speech and digestion. The meaning of MOUTH is the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth. Your mouth is responsible for many functions, including eating, breathing and speaking. Taking care of your mouth can keep you in good health. Lips A closed human mouth. The lips come together to close the opening of the mouth, forming a line between the upper and lower lip. In facial expression, this mouth line is iconically shaped like an up-open parabola in a smile, and like a down-open parabola in a frown. For related background details, please refer to our report on nest third generation wiring. mouth, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis. The body cavity immediately behind the mouth opening, known as the oral cavity (or cavum oris in Latin), [2] is also the first part of the alimentary canal, which leads to the pharynx and the gullet. The mouth is a complex structure with various parts, each serving specific functions in the processes of digestion, communication, and respiration. Here are the main parts of the mouth:

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