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

65 years and The Rolling Stones just dropped the album of the year 👀 #rolllingstones

Fastest SQUISHY Hunt Ever?! 😂

floating down the river 😭 #voiceover #core #zrst4 | floating down the river