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Not all freestyle kicks are the same 🦵 1️⃣ Small and fast Best for sprinting and short distances. High rhythm, high speed. 2️⃣ Slightly bigger and more relaxed Often a better option for longer swims and open water. Less energy, more sustainability. 3️⃣ Too big and too slow ❌ This is where many beginners go wrong. The legs create more drag, the body becomes unstable, and propulsion drops dramatically. A good kick doesn't need to be big. It needs to be efficient. #CapCut #beginnerswimming #adults

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