Question

skin: they absorb oxygen through their moist skin for gas exchange. lungs: using throat muscles to push air in (positive - pressure breathing). breathing: frogs breathe in two ways: make them excellent jumpers and swimmers. legs: frogs have strong, muscular legs with webbed toes that mouth: tongue: attached at the front, it flips out to catch prey. teeth: frogs have small vomerine and maxillary teeth to hold food, but they do not chew. eyes: frogs have three eyelids per eye: an upper, a lower, and a transparent nictitating membrane that protects the eye underwater and keeps it moist. tympanic membrane: these eardrums, located behind the eyes, detect vibrations. nares: small nostrils that connect to the mouth, allowing frogs to breathe air. how do frogs breathe? only through their lungs only through their skin through both lungs and skin

Explanation:

The text states that frogs breathe in two ways: they absorb oxygen through their moist skin for gas exchange and also use their lungs, using throat muscles to push air in (positive - pressure breathing).

Answer:

Through both lungs and skin