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Biology 14 Online
OpenStudy (anonymous):

omg....please help me figure out and compare the respritory systems of a frog, earthworm, and squid...thankyou (:

OpenStudy (anonymous):

Frogs have lungs Earthworms breath through their skin Squids use gills to filter oxygen out of the water and pump the water back out through a siphon

OpenStudy (anonymous):

@Lexi-OhMyDear

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