A) if volume of lungs is increased, the pressure decreases disproportionately
B) if volume of lungs is increased, the pressure remains the same
C) if volume of lungs is increased, the pressure decreases proportionately
D) if volume of lungs is increased, the pressure also increases proportionately
Correct Answer: C
Solution :
According to Boyles law, the product of pressure and volume is a constant. Hence, if volume of lungs is increased, the pressure decreases proportionately.
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