Walking and Injuries. Any pain in the chest while walking, no matter what its cause, can be troubling -- especially if you've reached middle age, when the risk of heart disease rises. Such pain may have nothing to do with your heart, however.
The stomach, liver, spleen, gallbladder, and most of the small and large intestines are in the abdominal cavity. Many of the organs of the abdominopelvic cavity are covered by the visceral peritoneum, while the wall of the abdominal cavity is lined with the parietal peritoneum. Peritoneal fluid fills the cavity between the visceral and parietal peritoneum.
The spleen and the kidney are two important organs found in the abdominal cavity of the human body. Their physiology is different because of their different functions in the body system. The spleen is a wedge-shaped lymphoid organ and is considered as the largest lymphoid mass located in the upper abdominal cavity, inferior to the diaphragm. Generally, it is 1 inch thick, 3 inches broad, and 5 inches long and weigh about 7 ounces. The spleen is made up of lymphatic cells.