Thoracic and Core Anatomy 101! We have never had Alex @drawing_anatomy paint the heart and lungs before. This turned out to be a really cool-looking piece. What are some other heart, lung, diaphragm, or muscle facts you would like to share? I will share a fun fact: the lungs are insanely light, roughly 2 lbs. They also feel like a slightly melted marshmallow. So soft and cuddly. When I worked with cadavers, the one cadaver we had died of lung cancer. His lungs weighed about 6 lbs and were full o