Video của Node Sidi (@node.sidi) với bản nhạc âm thanh gốc - Node Sidi

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

RTS Muharram special Exclusive Podcast: RTS with Rehan Tariq 👤 Host: Rehan Tariq (@rehantariq.official) 🎤 Guest: Khanum Rubab Najfi Pakistan's 1st audience base podcast “RTS is Pakistan’s fastest-growing audience-driven podcast platform, connecting millions of youth through real and unfiltered conversations.” RTS Show is a platform where well-known personalities share their journeys, insights, and experiences through meaningful and responsible conversations. Disclaimer: The content shared on t

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Kirchhoff Circuit Law | It explains how current and voltage behave in an electrical circuit. There consist of two rules to the Kirchhoff Circuit Law. First of which is Kirchhoff's Current Law (KCL). The rule states that the total current entering a specific junction (or node) in a circuit must exactly equal the total current leaving it. The second rule is Kirchhoff's Voltage Law (KVL). It states that the algebraic sum of all voltage drops and voltage rises around any closed path (loop) in a circ

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Purpose Formula: 3 Placements Everyone Should Know