Pulmonary Hypertension: What Do the Lungs Do?
When we breathe, we carry oxygen to our body cells to keep them working, while we expel carbon dioxide from our system. How do we manage to do such an important and complex task without even thinking about it? Emma Bryce takes us into a journey inside our lungs to learn more about how they keep us alive.
Learn more about pulmonary hypertension:Â http://bit.ly/1K4oewk