The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
Many equate the English moors with open grassland and bogs. However, they were not always this way. Once temperate rainforests, the trees were felled and fires swept through the land.
Rockhopper penguins thrive in the harsh conditions of the remote Falkland Islands… but wind, rain (and guano!) is a real challenge for the Hostile Planet film crew.
