there are three chambers to the lungs and to listen to all of them efficiently-the dr has to put the stethoscope in 4 different places. once on your upper back (near your shoulder blades), once on the sides of your waist, once on your lower back and then in the front at the center of your chest which is close to your heart.
Bloating can be caused by too much gas in the intestines, although you can also feel bloated and have a normal amount of gas. You can also feel bloated if you have an intestinal disorder, such as irritable bowel syndrome (IBS), which makes you more sensitive to the presence of gas in your intestines.
In some cases, bloating can become severe enough that it causes distention, or a perceptible swelling of the abdomen. Bloating and gas are usually tied to what and how you eat, so a few simple changes may help. Keep Bloating at Bay. Here are three common causes of bloating, and how you can avoid them. Overeating is probably the most common cause of bloating. Smaller portions should ease the pain. Eating rich and fatty food can make you feel uncomfortably stuffed. Fat takes longer to digest than protein or carbohydrates, so it keeps the stomach full longer.