Main function of the pulmonary system
gas exchange and regulation of acid-base balance
The main function of the pulmonary system is to supply oxygen to the body and remove carbon dioxide. This is achieved through the process of respiration, which involves inhaling oxygen-rich air into the lungs and exchanging it for carbon dioxide-rich air that is exhaled out of the body.
The pulmonary system is composed of several organs including the lungs, trachea, bronchi, bronchioles, and alveoli. These organs work together to ensure that the body has a constant supply of oxygen and that waste gases, such as carbon dioxide, are removed from the body.
The lungs are the primary organ of the pulmonary system and are responsible for the exchange of gases between the body and the environment. When air is inhaled, it travels through the trachea and enters the lungs through the bronchi. These bronchi branch out into smaller bronchioles and finally into alveoli, which are small sacs within the lungs where gas exchange takes place.
The alveoli are surrounded by tiny blood vessels called capillaries, which absorb the oxygen from the air and transport it to the rest of the body via the circulatory system. At the same time, the capillaries release carbon dioxide into the alveoli, which is then exhaled out of the body.
Overall, the pulmonary system plays a critical role in supplying oxygen to the body and removing waste gases. Without it, the body would not be able to function properly and would quickly become oxygen-deprived.
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