Ep27 | Heart Part 3 - Inside the Heart

Ep27 | Heart Part 3 - Inside the Heart

From What’s Happening Inside Me? by Audra Tobin

April 24, 2026 · 19 min · Episode 27

About this episode

This episode explores the anatomy of the heart in a fun and engaging way for kids.

What’s inside the human heart? In this kid-friendly episode of What’s Happening Inside Me?, we explore the anatomy of the heart in a fun and easy-to-understand way! Building on what we learned about the heart’s double pump and two blood flow tracks, this episode breaks down the structure of the heart, including the four chambers, four valves, and major blood vessels. Kids will learn how blood moves through the heart, why valves are important, and how the heart works with the lungs and body to keep us alive and energized. Perfect for elementary-aged kids, parents, teachers, and homeschool families, this episode makes complex human body science and cardiovascular anatomy simple, engaging, and memorable. What Kids Will Learn: The 4 chambers of the heart: left atrium, right atrium, left ventricle, right ventricle The difference between atria (collection chambers) and ventricles (pumping chambers) The 4 heart valves and how they keep blood flowing in one direction: mitral valve, tricuspid valve, aortic valve, pulmonary valve The major blood vessels of the heart: aorta, vena cava, pulmonary arteries, pulmonary veins A step-by-step explanation of blood flow through the heart How the…

People in this episode

Host: Audra Tobin

Topics covered

  • anatomy
  • heart
  • blood flow
  • education
  • kids science

Keywords

  • heart anatomy
  • blood circulation
  • four chambers
  • heart valves
  • kid-friendly science

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