Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre

#assamtezpur

Work Work Work — short motivational clip

Ariana Grande live looping vocals on ‘Eternal Sunshine’ tour

Infinite Rotten Apple Loop 🍎♾️ What looks like a simple rotten apple hides an entire microscopic world. This video starts on a fungal lesion, zooms through real fungal hyphae observed under the microscope, then travels all the way out to a map before seamlessly returning to where it began. No AI-generated imagery was used. Every scene in this video is real, captured through a combination of macro photography, microscopy, and satellite imagery. Can you spot where the loop begins? 👀 #infinite #l