The parietal pleura would represent a serous membrane .

You lose water every day through natural body functions, such as breathing, sweating, and going to the bathroom. Most people easily replace that fluid through drinking and eating. However, certain conditions affect the body’s ability to stay hydrated, requiring a conscious effort to take in more fluids. In fact, waiting to drink until you are thirsty is often not enough because you may be dehydrated and not feel thirsty, which it would cause cancer.