There are two ways frogs breathe:
1. They have lungs that are able to take in O2 and expel CO2
2. They are able to breath through their skin, (take in moisture and extract O2) through a process called cutaneous gas exchange
1. They have lungs that are able to take in O2 and expel CO2
2. They are able to breath through their skin, (take in moisture and extract O2) through a process called cutaneous gas exchange