The Gills
Gas exchanges occurs in the "alveoli".
Alveoli is where gas exchange occurs.
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the organ that is involved in gas exchange is the lung. the specific lung structure that is the site for gas exchange is the alveolus which is part of the alveoli, which is found in the lung.
The gas occurs by simple diffusion through the cells.
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Alveoli
Respiration
gas exchange occurs between the thin walls of the alveoli and the thin walls of the capillaries
Gas exchange also occurs in the alveoli of the lungs, where oxygen from the air is taken up by red blood cells and carbon dioxide is released. Additionally, gas exchange occurs in the gills of fish, where oxygen from water is absorbed by blood vessels and carbon dioxide is released.
alveoli
Rattlesnakes have lungs and gas exchange occurs there.