+Bronchi are the principal airways that carry air from the [Trachea](/wiki/trachea) into the [Lungs](/wiki/lung). These vital tubes branch repeatedly, becoming smaller to distribute oxygen deep within the respiratory system.
+## See also
+- [Alveoli](/wiki/alveolus)
+- [Breathing](/wiki/breathing)
+- [Respiration](/wiki/respiration)
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