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

38K views · 791 reactions | Your Internal Cavities Thoracic,...

The diaphragm is a dome-shaped, muscular sheet that separates the chest cavity from the abdominal cavity. It's a major muscle of respiration, acting to inhale and exhale. The diaphragm is attached to the sternum, ribs, and spine, with three muscular parts: sternal, costal, and lumbar, all inserting into the central tendon. Here's a more detailed breakdown of the diaphragm's anatomy: Muscular Parts: Sternal Part: Attached to the posterior aspect of the xiphoid process. Costal Part: Attached to th