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The lungs are a pair of spongy, cone-shaped organs located in the chest that play a vital role in respiration. They are responsible for bringing oxygen into the body and expelling carbon dioxide, a waste product of cellular metabolism.
The lungs are composed of several structures, including bronchi, bronchioles, alveoli, and blood vessels. The bronchi are large airways that branch off from the trachea and lead to the lungs. The bronchioles are smaller airways that extend from the bronchi and terminate in clusters of air sacs called alveoli. The alveoli are the site of gas exchange, where oxygen is absorbed into the bloodstream and carbon dioxide is released.
The lungs are surrounded by a thin membrane called the pleura, which helps to protect and support the lungs. The diaphragm, a dome-shaped muscle located at the base of the chest, also plays a key role in breathing by contracting and relaxing to help move air in and out of the lungs.
Lung function can be affected by a variety of factors, such as smoking, air pollution, respiratory infections, and certain medical conditions, such as asthma and chronic obstructive pulmonary disease (COPD). Maintaining lung health is important for overall health and well-being, and can be supported through practices such as regular exercise, avoiding smoking and exposure to pollutants, and seeking medical attention for respiratory issues.
These products are not intended to diagnose, treat, cure or prevent any disease. This web site is for educational and research purposes only. It is not intended as a substitute for the diagnosis, treatment and advice of a qualified licensed professional.