Scenario Yawning Is a Reflexive Action That Is Often Associated with with Sleepiness

question 32

Multiple Choice

Scenario
Yawning is a reflexive action that is often associated with sleepiness. When a person yawns, the mouth opens, and a longer than normal breath of air is inhaled, followed by a longer than normal exhalation. Hypothesizing that yawning has a regulatory mechanism similar to breathing, scientists conducted an experiment on college students to test the effect of existing carbon dioxide levels on yawning.
-The structure where the respiratory and digestive systems meet expands during a yawn. What is the name of this structure?

• A)bronchus
• B)larynx
• C)pharynx
• D)trachea

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Definitions:

Representative Consumer

A hypothetical or statistical model of an average consumer whose characteristics, behaviors, and preferences are used to understand and predict market trends.

Defined Area

A specifically designated or identified geographical location, characterized by particular attributes or boundaries.

Consumer Products

Goods bought and used by individuals and households for personal consumption.

Pay-Per-View

A service through which television viewers can purchase events to be viewed on their home TVs.