Body Atlas

Heart and the Body · Heart

Why do athletes have such low resting heart rates?

How much blood the heart delivers per minute.

The simple answer

How much blood does your heart deliver each minute? That measure is called cardiac output — your heart's delivery rate.

Go deeper

There's more: how much blood the heart delivers per minute. 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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