which of following processes is the primary function of the mouth?

which of following processes is the primary function of the mouth?

which of following processes is the primary function of the mouth?

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which of following processes is the primary function of the mouth?

The mouth is an oval-shaped cavity inside the skull. The two main functions of the mouth are eating and speaking. Parts of the mouth include the lips, vestibule, mouth cavity, gums, teeth, hard and soft palate, tongue and salivary glands. The mouth is also known as the oral cavity or the buccal cavity.

which of following processes is the primary function of the mouth?
HRXT4A The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver

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The mouth has a variety of roles in human anatomy and sociology. While its primary function is to begin the process of mechanically and chemically digesting food, the mouth is also the beginning of the alimentary canal—a larger digestive tube. Without the human mouth, expressions of the lips and language of the tongue and throat would be impossible.

The mouth is the first portion of the alimentary canal. It receives food and moistens the food with saliva, while the food is mechanically processed (mastication) by the teeth. The mouth is also known as the oral cavity, and within the oral cavity sits the tongue, the soft and hard palate, the uvula, and numerous salivary glands.

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The oral mucosa is the mucous membrane epithelial tissue that lines the inside of the mouth. This membrane maintains a moist and lubricated environment within the mouth to prepare the digestive system for the entry of food.

What is the digestive system?

Your digestive system is made up of the gastrointestinal (GI) tract and your liver, pancreas and gallbladder. The GI tract is a series of hollow organs that are connected to each other from your mouth to your anus. The organs that make up your GI tract, in the order that they are connected, include your mouth, esophagus, stomach, small intestine, large intestine and anus.

What organs make up the digestive system?

The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus. Helping them along the way are the pancreas, gall bladder and liver.

Mouth

The mouth is the beginning of the digestive tract. In fact, digestion starts before you even take a bite. Your salivary glands get active as you see and smell that pasta dish or warm bread. After you start eating, you chew your food into pieces that are more easily digested. Your saliva mixes with the food to begin to break it down into a form your body can absorb and use. When you swallow, your tongue passes the food into your throat and into your esophagus.

The Mouth as a Communication and Breathing Tool

Inside of the mouth: An illustration of the inside of a human mouth. The cheeks have been omitted in the drawing and the lips pulled back for an unobstructed view of the teeth, tongue, jaw bones, uvula, and alimentary canal.

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In addition to its primary function as the beginning of the digestive system, the mouth also plays a significant role in human communication and breathing. The primary features of human voice are produced in the throat, but the tongue, lips, and jaw also work together to produce the range of sounds we see in human language.

Air is drawn in through the mouth to the trachea and lungs, and the lips and tongue form words. The lips mark the transition from the mucous membrane to the outer epithelial skin that covers most of the body. Lips are remarkably sensitive and often serve as an infant’s second hands with which to explore the world.

which of following processes is the primary function of the mouth?
which of following processes is the primary function of the mouth?

 

Mechanical Food Breakdown by Teeth

In the digestive process, the mouth’s purpose is to prepare food for further digestion in the stomach and the small intestine. This process begins with the mechanical breakdown of food by the teeth, which fit into the alveolar arches. The front teeth (incisors and canines) are used to cut and tear food, while the teeth further back (bicuspids and molars) crush and grind.

 

Key Points

  • The mouth is also known as the oral cavity. Its purpose is to mechanically break down food, moisten it with saliva, and swallow the food into the esophagus and the stomach.
  • While vocal sounds are primarily produced in the throat, the tongue, lips, and jaw are also needed to produce the range of sounds included in human language.
  • Saliva is produced by three main pairs of salivary glands: the parotid, the submandibular, and sublingual. When food is chewed and mixed with this saliva, the resulting wad is known as a bolus.

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