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

As more people live with congenital heart disease, they require support and care that evolves as their health changes over time. Transitioning from the pediatric to the adult system can be bumpy, with care being disrupted for one-quarter of young adults. Read our new report on congenital heart disease. #BeatHeartDisease #HeartMonth | Heart & Stroke