They can breathe on land and hold their breath underwater. Cetaceans have lungs, meaning they breathe air. Thus it does not breathe oxygen. In 2012, Jinjer released their EP&colon; "Inhale, Do Not Breathe". This is why humans breathe in oxygen and breathe out carbon dioxide. They submerged me until I could not breathe anymore. I couldn't breathe, I started sweating. And animals will breathe a sigh of relief. Breathe out completely and place mouth over mouthpiece. And I think we can all breathe easier. Dolphins can breathe while "half-asleep". This makes it difficult for the patient to breathe. Once in the groove, her eyes breathe fire. It has the ability to breathe fire. It could breathe fire at any time.