During gas expansion in the body, which of the following areas may commonly be affected?

During gas expansion in the body, such as what occurs during rapid decompression or the ascent in an aircraft, the areas commonly affected include spaces within the body that contain gas, such as the lungs, gastrointestinal tract, and areas with trapped gas, like the teeth.

In particular, the teeth may experience issues due to gas expanding in any trapped air spaces within dental structures or cavities. When pressure decreases during ascent or in certain physiological conditions, the gas trapped in these air pockets expands, which can lead to discomfort or pain. This is particularly relevant for individuals with dental cavities or any existing dental work that might create such air pockets.

The brain, liver, and stomach can also experience changes due to gas expansion or pressure changes, but the direct effects of expanding gas—such as pain or dental issues—are more prominently associated with the teeth. Understanding this relationship is crucial for recognizing which areas of the body may be more susceptible to the effects of gas expansion and the resulting physiological changes.