In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: Work is done only if a force is exerted in the direction of what? Answer: motion
[A]: Work is done only if a force is exerted in the direction of motion.


[Q]: Question: The evaporative loss of the most energetic water molecules does what to a surface? Answer: cools it
[A]: The impact of evaporative loss of the most energetic water molecules from a surface has the impact that it cools it.


[Q]: Question: What is only effective if ventilation is matched to blood flow through alveolar capillaries? Answer: breathing control
[A]:
Breathing control is only effective if ventilation is matched to blood flow through alveolar capillaries.