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Helium is more abundant on Saturn than on Jupiter.
Respiratory Organ
An anatomical structure that animals use for the exchange of gases with their environment, primarily oxygen and carbon dioxide; examples include lungs, gills, and tracheae.
Inhaled Air
Air drawn into the lungs through breathing, containing oxygen necessary for bodily functions.
Alveoli
Tiny air sacs within the lungs where gas exchange of oxygen and carbon dioxide occurs.
Bronchioles
Small passages in the lungs that connect the bronchi to the alveoli, facilitating the transfer of oxygen and carbon dioxide.
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