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Questions and Answers
What is the function of the oropharynx?
What is the main purpose of chewing in the digestive process?
Which organ is not considered a part of the gastrointestinal tract (GIT)?
What is the function of the laryngopharynx?
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What is the primary function of the nasopharynx?
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Study Notes
Functions of the Oropharynx
- Connects the mouth to the esophagus and serves as a passageway for both food and air.
- Plays a role in swallowing, allowing food to pass to the esophagus.
- Contains tonsils, which contribute to immune function.
Purpose of Chewing in Digestion
- Breaks down food into smaller particles, increasing surface area for digestive enzymes.
- Mixes food with saliva, which contains enzymes that initiate carbohydrate digestion.
- Facilitates the formation of a bolus, making swallowing easier.
Organ Not Part of the Gastrointestinal Tract
- The pancreas is often classified as an accessory organ due to its role in producing digestive enzymes, but it is not part of the GIT itself.
Function of the Laryngopharynx
- Acts as a junction where the respiratory and digestive tracts diverge.
- Directs food and liquids to the esophagus and air to the trachea during swallowing.
- Plays a role in protecting the airway during the swallowing process.
Primary Function of the Nasopharynx
- Serves as a passageway for air from the nasal cavity to the oropharynx and down to the lungs.
- Filters, warms, and humidifies the air entering the respiratory system.
- Houses the adenoids, which participate in immune response.
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Description
Test your knowledge about the organs and functions of the digestive system, as well as body metabolism. Learn from Dr. Noha Mohsen Gamil, a lecturer of Pharmacology and Toxicology.
