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OpenStudy (anonymous):

with what respiratory structures do aquatic reptiles and aquatic mammals breathe? what inconvienience does this cause when they are underwater?

OpenStudy (anonymous):

http://en.wikipedia.org/wiki/Respiratory_system This will HELP! If I was helpful will you please give me a MEDAL! Thank you! =) >_<

OpenStudy (koikkara):

@cutiepie19982 Hai Sweet Friend, WeLcoMe to OpeN stuDy.. !! ** Divided into chambers that increase the surface area for gas exchange. ** Their lungs cannot exchange gases in water, so they have to hold their breathe when underwater ! Wondering If you are satisfied with this answer, Please Click "Best Response" and close this Question. Thank You ! Keep in touch with Open Study.. Bye !

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