Jul. 18—With the early start of this year’s fire season, it is important to support respiratory health as we endure poor air conditions. There are many ways to maintain and better your lung health, but the first step is learning more about how lungs work and why they are so important. The lungs take in oxygen through the windpipe, which branches into two airways called bronchi. These airways lead into the lungs and become increasingly narrow until they end in alveoli, commonly referred to as air sacs. […]