Ben is trying to identify an unknown animal. The animal mainly uses integumentary exchange to obtain oxygen, which involves oxygen passing through its skin. However, the animal also has a small set of lungs that it can use to obtain oxygen. The animal is probably

Respuesta :

the animal has a small set of lungs and it uses the integumentary system which is used by fish. Fish have small lungs because they are a small animal. if its not a fish it might be an insect.