Goosebumps occur when the tiny muscle's in our skin's hair follicles, called arrector pili muscles, pull the hair upright.
What is Goosebumps?
Goosebumps are the condition of skin when an individual feels fear, cold, and excitement in which small bumps appear on the skin and cause the hair to be erect.
The arrector pili are involuntary and smooth muscles that a person cannot voluntarily contract. Such muscle cells are responsible for the causation of goosebumps.
Therefore, Goosebumps occur when the tiny muscle's in our skin's hair follicles, called arrector pili muscles, pull the hair upright.
To learn more about Goosebumps, refer to the link:
https://brainly.com/question/6476796
