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 organ systems of the body include the musculoskeletal system, circulatory system, digestive system, endocrine system, integumentary system, urinary system, lymphatic system, immune system, respiratory system, nervous system and reproductive system. Organ Systems and Function, Location, Anatomy, Definition and Picture: 1  Skeletal System: The skeletal system is the system that supports us and gives us our shape.  Muscular System: The muscular system is the anatomical system of a species that allows it to move.