Why do we have blood and what does it do?
But Why: A Podcast for Curious Kids
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The Different Types of Blood
This is But Why, a podcast for Curious Kids. Today we're learning all about blood with a doctor who studies blood. Dr. Sarah Harm works at the University of Vermont Medical Center and the Larnar College of Medicine. Coming up, is blood red or blue? It's a big debate among you in the questions you've sent.
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