+A **gill** is a respiratory organ, often feathery, found in many aquatic animals, enabling them to extract dissolved [Oxygen](/wiki/oxygen) from water. These specialized structures are crucial for [Gas Exchange](/wiki/gas_exchange), allowing creatures to breathe and thrive beneath the surface.
+## See also
+- [Respiration](/wiki/respiration)
+- [Fish](/wiki/fish)
+- [Aquatic Animal](/wiki/aquatic_animal)
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