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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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