Invertebrate trachea - Wikipedia, the free encyclopedia
... system composed of spiracles, tracheae, and tracheoles to transport metabolic ... The tracheae are invaginations of the cuticular exoskeleton that branch ...
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BioG 105/106 | Autotutorial Introductory Biology
... composed of many small tubes, called tracheae, that open to the outside and ... The tracheae and the smaller tracheoles into which they branch carry air from ...
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