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Human: The World Within

Blood Vessels and Circulatory Movement

Human bodies are designed to move in order to circulate blood and nutrients to every cell.

Aired 05/05/2021 | Rating TV-PG

Human: The World Within

Blood Vessels and Circulatory Movement

Clip: Episode 2 | 2m 8sVideo has Closed Captions

Human bodies are designed to move in order to circulate blood and nutrients to every cell.

Staying active and on the move is crucial to our health for a lot of reasons. But it's especially important for the circulatory system to function properly. In fact, our bodies are actually designed so that blood circulation depends on us being in semi-constant motion.

Aired 05/05/2021 | Rating TV-PG

Problems with Closed Captions? Closed Captioning Feedback

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Episode 2 Preview | Pulse

Video has Closed Captions

Preview: Ep2 | 30s | See the world beneath the human heartbeat that makes our craziest feats possible. (30s)

Functions of the Heart and Lungs

Video has Closed Captions

Clip: Ep2 | 1m 25s | Our heart and lungs circulate oxygen throughout our blood vessels to keep cells alive. (1m 25s)

The Science Behind the Pulse in Our Bodies

Video has Closed Captions

Clip: Ep2 | 2m 39s | Human life depends on our bodies ability to process oxygen to keep our cells alive. (2m 39s)

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