What is the function of the mouth in the human body?

What is the function of the mouth in the human body?

The mouth, or oral cavity, is the first part of the digestive tract. It is adapted to receive food by ingestion, break it into small particles by mastication, and mix it with saliva. The lips, cheeks, and palate form the boundaries.

Why is the mouth important?

Every time we smile, frown, talk, or eat, we use our mouths and teeth. Our mouths and teeth let us make different facial expressions, form words, eat, drink, and begin the process of digestion. The mouth is essential for speech. With the lips and tongue, teeth help form words by controlling airflow out of the mouth.

Which are functions of the oral cavity quizlet?

better known as the mouth, is the start of the alimentary canal. It has 3 major functions: -Digestion – receives food, preparing it for digestion in the stomach & small intestine. -Communication – modifies the sound produced in the larynx to create a range of sounds.

What is the function of the mouth and tongue?

Teeth: Your mouth has 32 teeth that crush and tear food for swallowing and digestion. Tongue: Your tongue is a strong muscle that contains taste buds. It moves food around your mouth and helps you speak. Uvula: This piece of flesh hanging in the back of the palate helps move food from your mouth into your throat.

What is special about the mouth?

There are approximately 10,000 taste buds in our mouth, of which most are located on the tongue. No two people have the same set of teeth. A person’s teeth are as unique as their fingerprint. We produce about 37,854 litres of saliva during our lives – enough to fill two swimming pools.

What are the three functions of the oral cavity?

Structures of the Oral Cavity Are Responsible for the First Step of Digestion: Ingestion

  • Mechanical Digestion Begins When the Teeth Break Down Ingested Food.
  • Saliva Moistens Food and Begins the Process of Chemical Digestion.
  • The Tongue Creates a Bolus so It Can Travel Down the Pharynx and Esophagus.

What are two major roles of the oral cavity?

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.

What is the mouth in the respiratory system?

Mouth. The mouth, also known as the oral cavity, is the secondary external opening for the respiratory tract. Most normal breathing takes place through the nasal cavity, but the oral cavity can be used to supplement or replace the nasal cavity’s functions when needed.

What are the 7 functions of the respiratory system?

The functions of the respiratory system include gas exchange, acid-base balance, phonation, pulmonary defense and metabolism, and the handling of bioactive materials.