ANATOMY, URINARY TRACT. ANATOMY, URINARY TRACT Model of the internal anatomy of the trunk of an adult human body of indeterminate sex, anterior view. With the heart removed, the main pulmonary bronchi (light blue) is visible as well as the esophagus (tan) descending through the thorax between the lungs, and protruding into the abdominal cavity, where the deep organs can be seen here thanks to the removal of both the digestive system (liver, gallblader, stomach, pancreas, intestines) and the