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The function of the arrector pili muscles is to contract and make the hair follicles stand upright, causing the appearance of "goosebumps." This response is often triggered by cold temperatures, fear, or emotional arousal as a primitive reflex to help retain body heat or make the individual appear larger or more intimidating.

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What is the machine when your hair stand on end's?

This phenomenon is caused by the piloerector muscles contracting, which can be triggered by fear, cold temperatures, or emotional responses. The muscles pull on the hair follicles, causing the hairs to stand upright. This is known as piloerection, or colloquially as "goosebumps."


Why or how does hair stand up on your arms?

Hair on your arms can stand up when you experience emotions like fear or excitement due to a survival instinct called piloerection. Tiny muscles at the base of each hair follicle contract, causing the hair to stand up and create insulation or make you appear larger to potential threats.


What machine makes you hair stand up?

A Van de Graaff generator is a machine that can make your hair stand up. It generates static electricity that causes your hair to repel each other due to the same charge, resulting in an "electric" hairstyle.


The hair stands up?

If you are referencing to goosebumps those are actually little muscles that attach to your hair follicle that make it stand up. This process is in response to fear or coldness. In animals their hair stands up to thwart away predators. In humans, it doesn't do that but its the same muscle that pulls the follicle up.


Why does the hairs on your arms stand up when you are cold?

When you are cold, the body's natural response is to generate heat by activating muscles to make hair follicles stand up, causing "goosebumps." This reaction is a vestigial reflex from our ancestors when they had thicker body hair, providing insulation against the cold.

Related Questions

What is the function of the muscles that make hair stand?

in prehistoric days, we'd have muscles that make our hair stand up, this would make us seem bigger, and therfore, more intimidating


Prabable function of muscles that make hair stand up?

OMG the hair muscles that make your hair stand up is very important. Without that your head would be flat and your hair wouldn't be allined perfectly in order ...ex . 111111111 stimulating hair and 222222 none muscluar hair.....11111111 :D 1112212212121 BAD


What muscle causes your hair to stand on end?

The arrector pili muscles makes the hairs on your arm stand on end.


What is the purpose of the muscle that make hair stand up?

One theory states that long ago, when men were covered by much more hair than they are today, the erector pili muscles caused the hair to stand up when the body became chilled. The hairs would bunch together and protect the skin from cold, harsh weather.


What makes muscles skin and hair?

protein and nucleic acid


Is it true that the arrector pili are tiny muscles that cause the hair to stand erect?

no


What essential nutrient makes up your skin hair nails muscles and organs?

Protein is the essential nutrient that makes up your skin, hair, nails, muscles, and organs. It plays a key role in the structure and function of these tissues in the body, helping with growth, repair, and maintenance. Eating a diet rich in protein sources like meat, fish, eggs, dairy, legumes, and nuts is important for overall health and well-being.


What happens when arrector pilli muscles contract?

These are the muscles that make your hair stand up.... goose bumps, anyone?


What does a piloerector muscle do?

It causes erection of hair when stimulated by the sympathetic nervous system.


What makes up muscles skin hair?

protein and nucleic acid


Why do you have muscles to make your hair stand up?

b/c your dick stands up


What is hair erector muscle in role temperature?

Makes the hair follicle stand upright