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Chapter 9: Problem 10

What is the function of the epiglottis?

Short Answer

Expert verified
The primary function of the epiglottis is to seal off the windpipe during eating to prevent inhaling food or drink, thus protecting against choking and aspiration pneumonia. It also contributes to speech production by adjusting its position to help create different sounds.

Step by step solution

01

Identify the Position of the Epiglottis

The epiglottis is located at the base of the tongue, right where the back part of the roof of the mouth (soft palate) meets the throat. Its location is crucial to its function.
02

Explain the Physical Properties of the Epiglottis

The epiglottis is a flexible, leaf-shaped flap of cartilage that is located at the top of the voice box, or larynx. Its flexibility allows it to cover the windpipe (trachea) effectively when functioning.
03

Describe the Function of the Epiglottis

The primary function of the epiglottis is to seal off the windpipe during eating, preventing the inhalation of food or drink. It also assists in preventing choking and is part of the body's defense mechanism against aspiration pneumonia.
04

Discuss the Epiglottis' Role in Speech

Secondary to its main function, the epiglottis also plays a role in speech. Its positional changes can aid in producing different speech sounds.

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