Body Atlas

Emotion, Drive and Control · Brain

Why does stress affect the body so much?

A survival system that doesn't handle 'permanently on' well.

The simple answer

Perceive a threat and your body responds within seconds: heart rate up, breathing faster, fuel released, digestion shelved. You met the outputs of this in the Heart and Lungs modules — this is where the order comes from.

Go deeper

There's more: a survival system that doesn't handle 'permanently on' well. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.

Explore this concept in Body Atlas →

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