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A breathing tube is a device or tool that can serve as a conduit for breathing. Various types of breathing tubes are available for different specific applications. Breathing tube may also refer to, or be part of: ==Anatomy== * Vertebrate trachea, also known as the "windpipe", a tube present in tetrapods that connects the pharynx or larynx to the lungs, allowing the passage of breathing gas (most commonly air) * Invertebrate trachea, the open respiratory system employed by most terrestrial arthropods to transport metabolic gases to and from tissues * Siphon (mollusc), a tube-like structure through which water or air may flow for one or more purposes such as locomotion, feeding, respiration, and reproduction * Siphon (insect), a tubular organ of the respiratory system of some insects that spend a significant amount of their time underwater, that serves as a breathing tube 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Breathing tube」の詳細全文を読む スポンサード リンク
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