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.
Ventral body cavity. -thoracic cavity: chest cavity containing heart and lungs. -abdominal cavity: contains digestive, excretory, and reproductive organs. Two cavities separated by diaphragm, which is crucial for breathing. Ventral Body Cavity contains: Thoracic Cavity which contains: Right Pleural Cavity, Mediastinum, Pericardial Cavity, and Left Pleural Cavity.