The Purpose of Residual Air in the Lungs Is to _____.​

question 28

Multiple Choice

The purpose of residual air in the lungs is to _____.​

• A) ​prevent the lungs from collapsing
• B) ​prevent the temporary stoppage of breathing
• C) ​allow the continuous exchange of gases between breaths

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Definitions:

Efficient

An attribute of systems, processes, or devices that use the least amount of inputs to achieve the highest amount of output or desired effect.

MSB

Marginal Social Benefit, referring to the additional benefit to society as a whole from consuming one more unit of a good.

MSC

MSC, or Marginal Social Cost, is the total cost to society of producing one additional unit of a good or service, including both private costs and externalities.

Pollution

The introduction of harmful substances or products into the environment, leading to adverse effects on living organisms and ecosystems.