# Once Upon A Time... Life 🧬 The Heart | Season 3, Episode 7 | FULL EPISODE

Free with YouTube's ads, posted by Once Upon a Time... (Hello Maestro).

Ride the bloodstream through the heart’s four chambers and discover how this powerful pump keeps the whole body alive.

🌍 Welcome to the Official Hello Maestro Channel! Home of the iconic Once Upon a Time... animated series – beloved by generations around the world.

🔗 https://www.youtube.com/playlist?list=PLKnJDcjkfEp2C2AZwZzOWClPK0x291Qiz

🎬 Join Maestro, our wise and whimsical guide with the long white beard, as he takes you on unforgettable journeys through time and space. From the origins of life and the story of humanity, to great explorers, inventions, the wonders of the Earth, and beyond into space – every episode is a fun and fascinating adventure.

🧠 Educational. Entertaining. Timeless.Perfect for curious minds of all ages – children, parents, teachers and lifelong learners alike.

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- What it is: Full episode
- Series: [Full episodes from Once Upon a Time... (Hello Maestro)](https://invisiblenetwork.ai/library/rights-holders/series/b025fb96da3e)
- Previous episode: [Once Upon A Time... Life 🧬 The Tiny Platelets | Season 3, Episode 6 | FULL EPISODE](https://invisiblenetwork.ai/watch/rights-holders/AENVLGJEDPM)
- Next episode: [Once Upon A Time... Life 🧬 Breathing | Season 3, Episode 8 | FULL EPISODE](https://invisiblenetwork.ai/watch/rights-holders/1CciDT7BH0w)
- Length: 25 min
- Rights holder: [HelloMaestro](https://hellomaestro.fr) (its site links the channel: https://hellomaestro.fr/)
- Channel: [Once Upon a Time... (Hello Maestro)](https://www.youtube.com/channel/UClqm0TemsD02qFYKAM_PVKQ)
- Plays: Everywhere but Andorra, Belgium, Switzerland, France, GP, MC, MQ and RE, as its rights holder set it on YouTube
- Who can watch here: Adult profiles and older (no rating is recorded on YouTube, so adults only)
- Made for kids: No, as YouTube designates it
- On YouTube: [Watch on YouTube](https://www.youtube.com/watch?v=9ibYGMwIeOc)

It plays in YouTube's embedded player on its page here, loaded only when Play is pressed; YouTube's Terms of Service (https://www.youtube.com/t/terms) and Google's Privacy Policy (https://policies.google.com/privacy) apply to it.
