How do frogs breathe?

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Rana temporaria, the European common frog

Littlejohn's tree frog tadpole (Litoria littlejohni)

Diagram showing the life cycle of the leopard frog (Rana pipiens), progressing from eggs with embryos, to tadpoles with external gills, to tadpoles developing hind legs, then losing their tails, and finally to a fully formed adult frog.

How do frogs breathe?: Media

Images

Rana temporaria, the European common frog

Rana temporaria, the European common frog

A European frog is known for its stout body, variable brownish coloration, and distinct...

Eric Hosking/Bruce Coleman Inc.

Littlejohn's tree frog tadpole (Litoria littlejohni)

Littlejohn's tree frog tadpole (Litoria littlejohni)

This tadpole is found in forested regions of eastern New South Wales and Victoria...

Froggydarb

Diagram showing the life cycle of the leopard frog (Rana pipiens), progressing from eggs with embryos, to tadpoles with external gills, to tadpoles developing hind legs, then losing their tails, and finally to a fully formed adult frog.

Life cycle of the leopard frog

Stages of metamorphosis in Rana pipiens, from egg to tadpole to adult frog.

Encyclopædia Britannica, Inc.