Biologicalley

  Lungs are two viral spongy organs (on both sides of our chest) facilitating oxygen inhale and carbon dioxide exhale. But as per current statistics WHO points out lung cancer as a leading cause of death globally. Use of tobacco, particularly smoking is accounted as the prime cause of lung cancer. India possesses second rank in tobacco consumption and third rank in its production, so spreading awareness of the frightening outcome of this habit is most important. Anatomy and physiology of normal lungs Healthy lungs are protected by our rib cage along with the heart. We have two lungs, on either side of our chest. The right lung is much larger and contains three lobes while the left lung is smaller with only two lobes as it shares the space with the heart. The inhaled air passes through the windpipe called the trachea , which is divided into two bronchi , each providing oxygen to respective lungs (the left bronchi supply oxygen to the left lung, and the right bronchi supply to ...