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.
An important enzyme, renin, is also produced in the kidneys; it acts in negative feedback. Located at the rear of the abdominal cavity in the retroperitoneal space, the kidneys receive blood from the paired renal arteries, and drain into the paired renal veins. Each kidney excretes urine into a ureter which empties into the bladder.