Why Do We Blush?
The Big Idea
Discover why humans are the only animals that blush. Learn about the adrenaline-fueled expansion of blood vessels in your face and how blushing acts as a powerful, involuntary biological apology to those around us.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding why do we blush? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
Why Do We Blush?
Discover why humans are the only animals that blush. Learn about the adrenaline-fueled expansion of blood vessels in your face and how blushing acts as a powerful, involuntary biological apology to those around us.
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