The heart on the outside: explore its external anatomy in 3D ❤️ Have you ever stopped to wonder what your heart looks like from the outside? While its internal mechanics are well-known, the external anatomy is just as fascinating and crucial to its function. Dive into the protective layers of the heart with the pericardium, a fibrous sac that cushions and shields the heart from external impact. See the intricate coronary arteries that wrap around the heart, supplying it with oxygen-rich blood to