# The Heart

An episode of [The Children's Hour](https://invisiblenetwork.ai/podcast/1373480705), 18 Oct 2026, 1 h 00 min.

Audio: https://media.blubrry.com/childrenshour/ins.blubrry.com/childrenshour/TCH_The-Heart_podcast.mp3

This time on The Children’s Hour, we’re exploring the human heart and how it works with pediatric cardiac anesthesiologist Dr. Sally Vender. The miraculous muscle never stops beating, needing no conscious effort, but it does take effort to keep it healthy and strong. Learn how the heart works, why the heart never fatigues, and what makes the heart race when we’re exercising or nervous, and slow down when we’re sleeping. Comes with a learning guide and activities to learn even more in this podcast for kids about the heart.

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