International Certification & Reciprocity Consortium (IC&RC) Practice Exam 2025 - Free IC&RC Certification Practice Questions and Study Guide

The term piloerection refers to the physical reaction that results in the hair follicles contracting and causing the hair to stand upright, which is commonly known as "gooseflesh" or "goosebumps." This reaction is typically triggered by factors such as cold temperatures or emotional responses like fear or excitement. When the tiny muscles at the base of each hair follicle contract, they pull the hair upright, causing the skin to form small bumps. This physiological response is part of the body's fight-or-flight mechanism as it can create an insulating layer of air when cold or make an individual appear larger when threatened. Understanding piloerection helps illustrate how our bodies react to environmental changes and emotional states, contributing to our overall awareness of emotional and physical sensations.