Which of the Following Is Not a Main Function of the Upper

question 18

Multiple Choice

Which of the following is not a main function of the upper respiratory system?

• A) sense of smell
• B) gas exchange between the lungs and the atmosphere
• C) production of sounds
• D) transport of oxygen to the cells of the body
• E) maintaining blood pH homeostasis

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Definitions:

Profit-Maximizing

A strategy or objective focused on making the highest possible profit, where marginal revenue equals marginal cost.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, giving each some degree of market power while still allowing for free entry and exit in the market.

Fixed Costs

Expenses that remain constant regardless of business activity levels, including lease payments and insurance premiums.

Short Run

A period in which at least one factor of production is fixed and cannot be changed, limiting the firm's ability to adjust fully to market changes.