Quick Answer. Potential causes of right-side abdominal pain include mesenteric lymphadenopathy, appendicitis and gall bladder disease, according to Mayo Clinic and WebMD. Mesenteric lymphadenopathy occurs when the lymph nodes in the membrane that attaches the intestines to the wall of the abdomen are inflamed. Continue Reading.
The top of each lung (called the apex) extends into the lowest part of the neck, just above the level of the first rib. The bottom, or base, of each lung extends down to the diaphragm, which is the major breathing-associated muscle that separates the chest from the abdominal cavity.natomy of the Respiratory System. The lungs are the body's major organs of breathing (respiration). The lungs are located on each side of the chest within the rib cage. They are separated by the heart and other contents of the mediastinumâthe tissues and organs of the middle chest (e.g., large blood vessels, windpipe).
Upper respiratory tract: This includes the nose, mouth, and the beginning of the trachea (the section that takes air in and lets it out). Lower respiratory tract: This includes the trachea, the bronchi, broncheoli and the lungs (the act of breathing takes place in this part of the system).he chest cavity contracts thus increasing air pressure and causing the air in the lungs to be expelled through the upper respiratory tract. Exhalation, too, is passive. Air passes from the high pressure in the lungs to the low pressure in the upper respiratory tract.