Saint Louis Science Center (@stlsciencecenter)’s video of heart

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

This Healthy Drink Can Turn Dangerous With These Medications

El duelo que se nos viene en el Brasil 🇧🇷 - Noruega 🇳🇴 por los Octavos de Final. 😮‍💨⚔️ Dos pesos pesados se vuelven a ver las caras. Esta vez en una Copa del Mundo 🏆. Gabriel Magalhães 🆚 Erling Haaland. ¿Quien ganará esta vez? 👇 #Mundial2026 #WorldCup #futbol #brasilvsnoruega #gabrielvshaaland

During After Hours with James Corden, @Erling Haaland admitted he had to listen to @Zlatan Ibrahimović when it came to cutting his hair #FIFAWorldCup #Zlatan #Haaland #ErlingHaaland #Norway

POV u asked my favorite YouTuber Salish to be in a YouTube video #salishmatter #salish #jordanmatter #howmanylikes @Salish @Jordan Matter

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💓Heart Beat Season 3 இருக்கு.. ஆனா அதுல நான்💔.. Actress Deepa Balu at Provoke Awards 2026

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