Lungs give shape to our body
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Explanation:
The lungs process air, they are the only internal organs that are constantly exposed to the external environment . Central to the human respiratory system, they breath in between 2,100 and 2,400 gallons
( 8,000 and 9000 liters) of air each day - The amount needed to oxygenate the 2,400 gallons ( 9,000 liters) or so of blood that is pumped through the heart daily.
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