Inside you intro

What if I told you that the most advanced machine on Earth... is the one you've been carrying your entire life? Right now, billions of cells are working together to keep you alive. Your heart is beating. Your lungs are breathing. And your brain is performing calculations more complex than you can imagine. Yet most of it happens without you ever noticing. Welcome to Inside You. I'm Ryan Avery. And together, we're exploring the incredible science of the human body.