Question

_______ exchange gases through their moist skin when in water and through lungs

Answer 1

Answer:

Frogs

Explanation:

Frogs have two types of respiratory system one in its moist skin which helps it to respirate in water and other lungs like humans.

Answer 2

Answer:

Frogs exchange gases through their moist skin when in water and through lungs.

Explanation:

$\rightarrow$ Frogs are 'amphibians', that is, they could live both on land and water.

$\rightarrow$ They could breathe from lungs, skin and even from the lining of their mouth.

$\rightarrow$ This makes them adapatable to both, land and water.