Which of the Following Is Not a Function of the Lungs

question 32

Multiple Choice

Which of the following is not a function of the lungs?

• A) oxygenation of blood
• B) excretion of carbon dioxide
• C) secretion of aldosterone and the regulation of Na⁺
• D) regulation of blood pH

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Definitions:

Tension-Cohesion Model

A theory explaining the movement of water through the xylem of plants, based on water molecule cohesion and tension created by evaporation.

Water Potential

A measure of the potential energy in water as well as the difference in potential energy between a given water sample and pure water, determining the direction water will flow.

Root Pressure

A pressure within the vascular system of the roots of plants that helps drive fluids upwards into the stem and leaves.

Water Potential

A measure of the potential energy in water, influencing its movement from areas of higher water potential to areas of lower water potential.