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

How did he survive that? 😳 - - Roy Sullivan, a United States park ranger in Virginia, earned a unique spot in history by surviving seven verified lightning strikes between 1942 and 1977. Recognized by the Guinness World Records as the most lightning-struck person to survive, Sullivan endured multiple injuries from these encounters

I can’t believe we made it here 🥲 thank you for all the love and support over the years that’s allowed me to keep this series going. To Morbid Facts Pt. Infinity and Beyond! #morbidfacts #history #weirdtok #fyp #tiktokcampaign

Reinhard Heydrich: From Reichsmarine Cadet to Architect of Terror