Ask your own question, for FREE!
Biology 21 Online
OpenStudy (anonymous):

A fish controls the concentration of salt in its body by actively excreting salt across its gills drinking and producing very small amounts of concentrated urine

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!