Your heart starts with a single cell that learns to beat. What you’re seeing This video shows a stem cell transforming into a heart muscle cell, or cardiomyocyte. As it develops, the cell organizes its internal scaffolding, forms contractile fibers called sarcomeres, and begins to beat in rhythmic pulses. 🟡 Builds the muscle filaments that give the heart its strength and structure 🟡 Produces electrical signals that trigger coordinated contractions 🟡 Demonstrates how living cells organize them
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Your heart starts with a single cell that learns to beat. What you’re se…
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