What Are the Functions of the Upper Airways? (Select All

question 4

Multiple Choice

What are the functions of the upper airways? (Select all that apply.)

• A) Conduct air to lower airway.
• B) Provide area for gas exchange.
• C) Prevent foreign matter from entering respiratory system.
• D) Warm, humidify, and filter air entering lungs.
• E) Provide transportation of oxygen and carbon dioxide between alveoli and cells.

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Definitions:

External Support

Assistance or resources provided by entities outside of an organization, which can include financial, advisory, or technical support.

Normal Return

A rate of return on investment that is considered sufficient to maintain the current level of economic activity without additional profit.

Government Regulates

The actions taken by governments to control, direct, or manage different sectors or aspects of the economy or society, often through laws and regulations.

Economic Profit

The financial margin that results from subtracting a business's complete expenditures, both seen and unseen, from its gross income.