
What are goosebumps and why do we get them? The evolutionary explanation of piloerection
All it takes is a breath of wind Freddo to find ourselves with skin covered in small dots: the goosebumpsin technical jargon piloerectionan involuntary defense mechanism (like shivering) activated when we are cold, afraid, or experience very intense emotions. From a physiological point of view, goosebumps occur when i muscles hair erectors yes they contractpulling up the hair and causing ...








