MICROANATOMY

Detailed explanation-1: -Goosebumps occur when tiny muscles in our skin’s hair follicles, called arrector pili muscles, pull hair upright. For animals with thick fur, this response helps keep them warm.

Detailed explanation-2: -Answer and Explanation: The muscle that attach to hair follicles that cause goosebumps are the arrector pili muscles. These muscles are found on the dermal layer of the skin, and contraction of these causes the hair associated with the muscle to ‘stand up’. These are the muscles that are active when you get goosebumps.

Detailed explanation-3: -The arrector pili muscle mass are small muscle mass attached to hair follicles in mammals. Contraction of those muscular tissues causes the hairs to face on end-regarded colloquially as goosebumps.

Detailed explanation-4: -If you get too cold, your brain alerts your body that it should take steps to warm up. Goosebumps are one of those signals. They’re also an attempt to trap warm air next to your skin and let you hold on to your body heat.