Mouth is the opening through which we can take food and air. Mouth is also referred to as oral cavity and it helps in digestion process. It is made up of teeth, tongue, lips, cheeks and salivary glands. With movement of tongue, lips and cheeks it produces voice that is essential for communication.
Mouth is mainly divided into two parts vestibule and oral cavity. Vestibule is a part which lies in between teeth, lips and cheeks. Oral cavity has alveolar bones which consists tooth sockets which hold teeth in place at the sides and also in front, at back of it isthmus of fauces is present which is part of Oropharynx that extend from soft palate.
Roof of oral cavity is made of hard palate at front and soft palate on the back side. Soft palate is known for having uvula a conic outgrowth which is present in just center of soft palate. The floor of the mouth has mylohyoid muscles which extend from mandible to the hyoid bone and it is largely covered by tongue.
Salivary glands they produce secretions from mucous membrane, tongue is lined by mucous membrane and also jaw on the inner side is lined by mucous membrane. Mouth is an opening referred to as orifice which is present between the upper and lower lip.
Male human mouth can occupy about 71.2 ml volume while female mouth can occupy 55.4 ml volume. Human mouth has key vital roles to play like eating, drinking, speaking and breathing.