The new Wonders of Wildlife museum houses live mammals, fish and birds as well as traditional museum displays. The 92,000-square-foot facility is located next to Bass Pro Shops in Springfield.
  Is the anatomical space behind (retro) the abdominal cavity.Structures that lie behind the peritoneum are termed retroperitoneal.   Kidneys, Bladder, Pancreas, Vena C â¦ ava, Aorta, parts of the Duodenum, portions of the Colon, Reproductive organs.
The upper central abdominal area has a number of important organs and structures which include: 1  Skin. 2  Muscle. 3  Stomach. Duodenum. 4  Pancreas. Liver. 5  Aorta. Blood vessels.  Gall bladder, if enlarged by stones.