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

Question

anonymous · Answer

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

koikkara · Answer

@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 !

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