Why does every mammal get 1 billion heartbeats in their life?

Name: Why does every mammal get 1 billion heartbeats in their life?
Uploaded: 2026-07-25 17:29:09.000Z
Duration: 35 min 32 s
Channel: Veritasium
Description: Why does every mammal get 1 billion heartbeats in their life?

Veritasium★ IntellectualScience

5.6 M views35:3225 Jul 2026

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