This is what mastery looks like in 20 seconds 🫀✨ A medical student in a purple hoodie stuns her class by sketching a complete anatomical heart on a chalkboard, fast. No erasing. No hesitation. Just pure muscle memory. In one fluid motion, she maps every chamber, valve, aorta, and major vessel. Then she rapid-fires the labels: RA, LA, RV, LV. Right atrium, left atrium, right ventricle, left ventricle. All there. All accurate. This isn’t just art. It’s repetition. Medical students draw structures