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

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Becoming a varsity cheerleader at my high school wasn’t just about tryouts. We had to perform at the school rally campaign all week with signs and badges and then the entire Student body voted. Being a cheerleader in my senior year was an amazing experience. #1960s. #Cheerleader #Boomers #Nostalgia #FYP

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