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Here’s how a Muscle Contraction works: 1️⃣ Neural signal becomes strong enough to send an action potential 2️⃣ Action potential crosses the Neuromuscular junction and causes a release of calcium ions 3️⃣ Calcium binds to troponin 4️⃣ Troponin moves the tropomyosin to explode the binding sites 5️⃣ Myosin binds to actin ...
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World of Biology on Instagram: "How do muscles contract? 💪🏼 Here’s a look inside your body as muscle fibers contract in real time — powered by calcium, ATP, and microscopic motor proteins! 🧬⚡️ From lifting weights to walking, every movement starts with this epic microscopic machinery in action. 👀 Watch actin & myosin do their thing. It’s the ultimate flex—literally. Video credit 🎥- 3DBiology (official Youtube channel) Thank you for amazing educational video 💙🙏 Link to original video👇 htt
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