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ObsidianAI/Notes/Science/Biology/How bugs breathe.md

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Bugs breathe thorough tiny holed called spiracles and apparently bugs dont have a circulatory system
Apparently they are not just holes, they are an actual system.
Spiders and Scorpions have booklongs and they apparently are an old adaptation of gills.
The oxygen content is a myth bugs arent ginormous because of more oxygen, the actual explanation is that there were no animals on land
#rewrite The note contains several typographical errors ('thorough' instead of 'through', 'holed' instead of 'holes', 'booklongs' instead of 'book lungs') and a factual inaccuracy regarding the circulatory system (insects have an open circulatory system, it's just not used for gas exchange). The claim about oxygen content being a 'myth' is also a simplified take on a complex scientific debate and needs better sourcing/nuance.