ARTICLES

All frogs begin their lives as tadpoles that breathe underwater using their skin and gills. As the frog grows, lungs begin to develop and the frog loses its gills at it begins to metamorphose.

www.reference.com/article/frogs-gills-4ec0cc13715c583e

Fish have gills because these organs are used to extract oxygen from the surrounding water in which a fish lives. Gills are different from lungs because gills generally work unidirectionally: water moves in one direction...

www.reference.com/article/fish-gills-416408bba15cf4ae

Gills work in fish in much the same way as lungs do in mammals, as they help take oxygen into the blood and release carbon dioxide. Fish draw water into their mouths, which then travels past the many tiny blood vessels i...

www.reference.com/article/gills-work-602a26f32b32a72a

SIMILAR ARTICLES

Different frogs have different adaptations, but generally frogs have eyes on the top of their head for seeing out of the water, a long, sticky tongue for capturing prey such as insects and sensitive skin for absorbing wa...

www.reference.com/pets-animals/frog-adapted-its-environment-9ed29e524209b06b

Adult frogs breathe through the skin when under water. They have thin skin, which has a massive network of blood vessels and capillaries under it. Oxygen enters the frog’s body through the skin and goes into the blood ...

www.reference.com/pets-animals/frogs-breathe-underwater-15e51fa355e87b54

Some frogs and toads secrete substances from glands in their skin that can have hallucinogenic effects when ingested or dried and smoked. The best known such species is Bufo alvarins, the Colorado River toad.

www.reference.com/article/hallucinogenic-frogs-5f523edb7d280020

One of the adaptations that allow frogs to live on land and in water is their permeable skin, which allows them to absorb water from their surroundings. However, if the frogs are trapped away from water for a significant...

www.reference.com/pets-animals/adaptations-permit-frog-live-land-water-24bbeed12679fc51