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A one-of-a-kind tour through the human body. Why does nervousness make us feel like we have butterflies in our belly and embarrassment cause a deep blush to spread across our face? While we know our brains are directly connected to our emotions, scientists are now discovering more about how other parts of our bodies are involved in feeling our feelings. How does all the information flow back and forth through our bodies? And how does it turn into the things we call emotions? Here’s a fascinating, toe-to-head tour through the human body that answers these questions and more.