Lungs - Robin Twiddy - Bog

What could possibly make their home in the human lung? In this volume, curious readers find out! With the help of some friendly guides, readers are introduced to the structure of the lungs and how they work--as well as the microscopic organisms that might have made the lungs a habitat. Including problems that could arise with the lungs, this colorful, playful look at the main part of the respiratory system complements the science curriculum and human body lessons.