How do animals breathe underwater?
Our lungs are great at getting oxygen out of the air, but if we needed to do that underwater, we’d be sunk. So how do fish, shrimp, jellyfish and other marine animals breathe underwater? And what happens when there is no oxygen in the water for them to breathe?
• See photos from the episode taping at Instagram
An aquaponic system at work:
Music in this episode from Good Old Neon.
Listen to the original podcast from 2015-03-24