The pleura is the membrane that covers the lungs, according to InnerBody. The pleura consists of two layers, with the parietal pleura forming the membrane's outer layer and the visceral pleura forming the membrane's inner layer.
WebMD explains that the pleura provides protection and lubrication of the lungs' surface as the lungs expand and contract during inhalation and exhalation. Pleurisy, also called pleuritis, is a painful condition that occurs when the pleura becomes inflamed. The roughened surfaces of the pleura rub together causing pain during breathing, coughing and sneezing. Viral infection is the most common cause of pleurisy. Less common causes are systemic lupus erythematosus, cancer, liver diseases, rheumatoid arthritis, drug reactions and chest injuriesLearn More
The small intestine's job is to absorb about 90 percent of the nutrients we consume, according to InnerBody. The small intestine is about an inch wide and approximately 10 feet long and is folded along itself in the abdominal cavity. It is twice the length of the large intestine.Full Answer >
The function of the renal medulla is to hold masses of tissues called renal pyramids in each kidney, according to InnerBody. These pyramids face towards the convex or inner part of the kidney, while the bases face the outside part of the organ. The renal medulla is the innermost part of the kidney protected by the renal cortex on the outside.Full Answer >
The basilar membrane is lined with tiny hair cells used to convert vibrations to chemical signals, according to Auditory Neuroscience. The basilar membrane is located within a part of the inner ear known as the 'cochlear,' with various parts of the membrane sensitive to different noise frequencies.Full Answer >
The heart is a single organ, but it functions as a double pump sending oxygen-depleted blood to the lungs to pick-up oxygen and unload carbon dioxide, while simultaneously sending oxygen-loaded blood coming from the lungs to cells throughout the body. The heart's right ventricle pumps blood to the lungs, while the left ventricle pumps the oxygenated blood to the body cells. The left ventricle is the stronger of the two and performs the more demanding part of the double-pump work.Full Answer >