Trachea is a common biological term for an airway through which respiratory air transport takes place in organisms.
In terrestrial vertebrates, such as birds and humans, the trachea lets air move from the throat to the lungs.
In terrestrial invertebrates, such as onychophorans and insects, tracheae conduct air from outside the organism directly to all internal tissues.
For more information about the topic Trachea, read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Trachea at Wikipedia.org. See the Wikipedia copyright page for more details. Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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