Yes, they have lungs like we do.
because
The lungs, nostrils, skin, and vocal sac.
In no animal does food pass thought the respiratory system. The respiratory system is used for breathing (gas exchange) not food. The Alimentary Canal or gastrointestinal tract is what is employed for the digestion of food.
Frogs have a heart that has 3 chambers, and worms do not. Worms exchange gas from their blood through their skin, but frogs are not able to do this. Frogs have the same type of respiratory system as humans.
Most frogs have lungs, but their are lungless frogs. They can also breath thru their skin.
The respiratory system of a perch involves extracting oxygen from the water. Frogs can extract oxygen from water and air while pigeons and pigs can only breathe in air.
The respiratory system is the system that handles breathing.
a frog can be classified having gills and lungs tadpoles have gills while frogs[or adult]have lungs
The Respiratory System
The trachea is the airway in the respiratory system.
The larynx belongs to the respiratory system.
lungs and to a significant extent their skin.