Question

Some __________ have no lungs whatsoever and rely entirely on gas exchange through their skin.

Frogs
Lizards
Salamanders
Sharks

Answer 1

Frogs are animals that rely on gas exchange through their skin.

Step-by-step explanation:

Frogs are an example of animals that have no lungs and rely entirely on gas exchange through their skin. Their skin is covered with mucous glands, which keep it moist and allow them to breathe through their skin in addition to using their lungs. This is an adaptation that allows frogs to live in moist environments.