The symptoms of bloating can be vague and difficult to pinpoint, but most people describe an uncomfortable feeling of fullness, tightness, or swelling in the abdomen. This can be accompanied by pain, excessive gas (flatulence), frequent burping or belching, and abdominal rumbling or gurgles. The most common causes of abdominal bloating are: 1  swallowing air.  constipation.
The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles.he muscular system in vertebrates is controlled through the nervous system, although some muscles (such as the cardiac muscle) can be completely autonomous.
The muscles of the body enable individuals to stand upright, walk and pick up heavy objects. Those very same muscles enable the heart to beat, the lungs to breathe and internal organs to function. A variety of organs as well as muscle tissues are included in the body's muscular system, each with a specific job to do.Muscular tissues are found throughout the body and include more than those bulging biceps or six-pack abs.he heart is made up exclusively of cardiac tissues and is one of the most muscular organs in the body, beating at an average of 72 times per minute (or approximately 3.5 billion times during a lifetime), states the Texas Heart Institute.