Oct 18, 2026 59 min

The Heart

from STEM Archives - The Children's Hour

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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The Heart

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This episode is 59 minutes long.

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This episode was published on October 18, 2026.

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