The lungs have two primary functions: to acquire oxygen from the air, which is required for life, and to remove carbon dioxide from the body. Carbon dioxide is a byproduct of many of the chemical reactions that sustain life.
During breathing, air enters and exits the lungs. It flows in through increasingly smaller airways, finally filling tiny sacs called alveoli. Blood circulates around the alveoli through capillaries (tiny blood vessels). Where the capillaries...Read more
In the last post, I discussed COPD and asthma, and how to distinguish them. I introduced the topic of pulmonary function tests, or... Read more »
I had my first colonoscopy last week. How was it? Well, pretty much just like they say, meaning that the procedure itself (not that I... Read more »