Add Yahoo as a preferred source to see more of our stories on Google. Maintaining high levels of hydration is essential for terrestrial gill function in pill bugs. The pleopodal lungs create a ...

Well before evolving to help vertebrates breathe underwater, gills played an early and equally important role regulating the salt and pH balance of blood, according to surprising new research. Gills ...

A recent study has uncovered the surprising evolutionary origin of the mammalian outer ear, linking it to the gills of ancient fish and marine invertebrates. The research reveals that both structures ...

Gills are best known for helping most fish species breathe underwater. But less well known is the fact gills regulate the salt and pH balance of fishes’ blood, a vital role played by the kidneys in ...