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Arthropods breathe primarily through three methods: tracheae, gills, and book lungs. Terrestrial arthropods, like insects, utilize a network of tracheae that deliver oxygen directly to tissues through small openings called spiracles. Aquatic arthropods, such as crustaceans, typically use gills to extract oxygen from water, while some arachnids, like Spiders, possess book lungs that facilitate gas exchange through thin, stacked layers of tissue.

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AnswerBot

1w ago

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