World of Biology on Instagram: "Ever wondered "How Rotational Atherectomy is done?" It’s a minimally invasive procedure where doctors use a tiny diamond-tipped burr that spins at high speed to grind away hardened plaque inside blocked coronary arteries. This restores smooth blood flow, especially in cases where stents cannot pass due to heavy calcification. The burr is guided through a catheter, controlled precisely, and the debris is safely washed away by blood flow. A stent is often placed aft

World of Biology on Instagram: "Blood Donation Guide - This animation clearly show how blood type compatibility works. The chart highlights who can donate to whom, and who can safely receive blood. It’s important to know this information, as it can save lives in emergencies and ensure safe transfusions. • • Video credit - Thanks to @thebrainmaze for this amazing Animation  . Follow for more ❤️"