LUNGS
Lungs are the major organ of the respiratory system of many organisms, including humans as
well as fish and snails. Homeotherms and most various vertebrates have two lungs near the
spine on either side of the heart. Their capacity in the respiratory system is to extract oxygen
from the climate and transport it to the circulatory system. and release carbon dioxide from
the circulatory system to the environment during gas trading.
In early quadrupeds, the air was carried from the pharyngeal muscles to the lungs by an oral
pump. In humans, the stomach is the major respiratory muscle that drives respiration. The
lungs also emit air currents that allow us to perceive sounds, including human speech. Lung
tissue can be affected by many diseases such as pneumonia and lung cancer.
Conditions such as bronchitis can also affect the airways. Medical terms that refer to the
lungs usually begin with a plume-, from the Latin pulmonary (lung), like pneumonia, or
pneumonia (from Greek πνεÏμων, "lung"). As the embryo improves, the lungs begin to form a
foregut sac.
This is the tube that forms the upper part of the stomach skeleton. At the point when the
lungs form, and the baby is held in a fluid-filled amniotic sac to prevent it from relaxing.
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