No lungs, no gills: how do insects breathe?

They may make your skin crawl and you might wish to think of them as a lower life form, but insects have a remarkably elegant and simple way of delivering oxygen to their body and removing the carbon dioxide waste. Insects have a tracheal system rather than the complex respiratory (lungs and stuff) and circulatory…

Insect respiratory system

Insect respiratory system

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Ed on X: @HkLovelace The exoskeleton of insects are made of a

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What large marine prehistoric (preferably Jurassic period