Why do people blush?
Blushing comes from the same system that causes your fight-or-flight response. But why do your cheeks flush? Is it some kind of universal, wordless apology?
Blushing from embarrassment is governed by the same system that activates your fight-or-flight response: the sympathetic nervous system. This system is involuntary, meaning you don't actually have to think to carry out the processes.… » Full Story on HowStuffWorks
Blushing from embarrassment is governed by the same system that activates your fight-or-flight response: the sympathetic nervous system. This system is involuntary, meaning you don't actually have to think to carry out the processes.… » Full Story on HowStuffWorks
