Any beginning is amazing. But as for the respiratory tract, the first step is to find out where, in fact, they begin. If you say that in the mouth, you will not be alone in this opinion-so many answer, but…

The lungs are an amazing mechanism. For a moment, try to imagine yourself as a Creator. Imagine that you are sitting at your Desk in your design office and the deadline for submitting drawings of the lungs expires at the…

In Germany, a new plague: until recently, literature about the internal organs of man was interested exclusively in medical professionals, biology teachers and hypochondriacs, and today books about the heart, skin, prostate and intestines are among the bestsellers. And here…