Acidity. Our stomach produces acid to digest the food that we eat. This is a regular and natural process. Whenever we eat, cells within the lining of the stomach pump acid to liquefy your sumptuous dinner, from mash potatoes to a slab of steak.ur stomach produces acid to digest the food that we eat. This is a regular and natural process. Whenever we eat, cells within the lining of the stomach pump acid to liquefy your sumptuous dinner, from mash potatoes to a slab of steak.
2. Thoracic cavity: thoracic means chest, this cavity is located in the anterior portion of the body and the mediastinum. It contains the cavity that surrounds the breast bone and ribs. Containing the lungs, heart, trachea, larynx and bronchial tubes.
1. chest cavity-the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart. thoracic cavity. bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body.ediastinum-the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus. chest, pectus, thorax-the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates.