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
in prehistoric days, we'd have muscles that make our hair stand up, this would make us seem bigger, and therfore, more intimidating
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.
no
These are the muscles that make your hair stand up.... goose bumps, anyone?
b/c your dick stands up
The hair works as insulation for heat against the cold winds. When it is cold the erector muscles connected to the hair contracts.
The arrector pili muscles are in the hair follicles. When contracted, they cause the hair to stand on ends, commonly known as goosebumps.
It causes the hair follicle to stand erect
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."
When you are cold or scared, tiny muscles called arrector pili contract, causing hair to stand up and creating goose bumps on your skin.
The arrector pili muscles makes the hairs on your arm stand on end.
Yes, your leg hair can appear to grow when you get goosebumps because the muscles surrounding the hair follicles contract, causing the hair to stand up and appear longer.