# Ep26 | Heart Part 2 - The Two Tracks Page: https://stenobird.com/podcast/what-s-happening-inside-me-7235354/ep26-heart-part-2-the-two-tracks Text version: https://stenobird.com/podcast/what-s-happening-inside-me-7235354/ep26-heart-part-2-the-two-tracks.md Podcast: [What’s Happening Inside Me?](https://stenobird.com/podcast/what-s-happening-inside-me-7235354) Published: 2026-03-06T12:00:03+00:00 Episode link: https://www.spreaker.com/episode/ep26-heart-part-2-the-two-tracks--70421624 Audio file: https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/70421624/ep26_heart_part_2_two_tracks.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/what-s-happening-inside-me-7235354/episodes/ep26-heart-part-2-the-two-tracks Duration seconds: 886 ## Resource ❤️ After last episode, did you start to wonder WHY the heart has two tracks for pumping blood? 🫀 In this episode of What’s Happening Inside Me?, Audra is joined by her kids, Sloane and Ransom as they dive deeper into the amazing double-pump heart. Building on last week’s episode, they explore why the heart pumps blood in two separate loops—one delivering oxygen to the whole body, and the other refilling blood with oxygen in the lungs. Using fun metaphors and kid-friendly explanations, they connect the heart to other systems in the body, including: Cells and mitochondria, the body’s energy factories Blood vessels, highways that carry oxygen and glucose The lungs, where blood picks up oxygen and drops off carbon dioxide The digestive system, which provides glucose to make energy This episode is perfect for curious kids who love learning how everything in the body works together as a team. 🫀 In This Episode, Kids Will Learn: How the heart’s double pump works Why blood travels on two separate tracks How oxygen and glucose get to the cells to make energy How the body gets rid of carbon dioxide waste How multiple systems in the body work together 🎧 Helpful to Know Builds on ideas from previous episodes on the heart (Ep 25), cells (Ep18), blood (Ep 9 and 10), respiratory system (Ep 4) and digestive system (Ep 5 and 7) Listening to the last episode (Episode 25) will help make this one extra clear 👨‍👩‍👧‍👦 Perfect For: Kids ages 4–12 Families and curious learners Classrooms and school nurses looking for fun science lessons Next time, we’ll slice open the heart and explore what’s inside—including atria, ventricles, and valves! 🫀 Stay tuned and keep wondering what’s happening inside you! 💡 Enjoying What’s Happening Inside Me? If you loved this episode, please share it with a frien… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/what-s-happening-inside-me-7235354/episodes/ep26-heart-part-2-the-two-tracks/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/what-s-happening-inside-me-7235354/ep26-heart-part-2-the-two-tracks.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.