What Causes Goosebumps? The Science Behind the Chills
Goosebumps are those little bumps that appear on your skin when you feel cold or scared. But what causes them?
Why Do Goosebumps Happen?
Tiny muscles at the base of each hair follicle contract, making your hairs stand up and causing the bumps.
An Evolutionary Reflex
This reaction helped our ancestors stay warm by trapping air in their fur and making them look bigger to predators.
When Do Goosebumps Appear?
They happen when you’re cold, scared, or sometimes during emotional moments.
Your Nervous System’s Role
The sympathetic nervous system triggers this reflex automatically to protect you.
🔍 Final thought:
Goosebumps are a natural reflex that connects us to our animal past, helping keep us safe and warm.