The arrector pili muscles makes the hairs on your arm stand on end.
The muscle that causes hair to stand on end is the errector pili muscle.
blood Vessels Constrict
Arrector pili muscle
Piloerector Muscle
Piloerector Muscle
Arrector Pili Muscle
Standing hair is caused by the tiny muscle that connects the hair to the follicle. This muscle is called the arrector pili.
tiny muscle fibers attached to each hair follicle, which contract to make the hairs stand on end, causing goose bumps.
Static Electricity generator an electrical force can make your hair stand on end that happens because, your hair has picked up extra electrons. This causes your hair to repel against each other(Like charges repel remember!). Because you hair is so tightly packed, the furthest any hair can get from another hair is to stand straight up.
Little muscles at the base of each hair shaft called arrector pili (also Erector pili).When we are cold, muscles just below our skin, called erector muscles, contract. This pulls on our hairs, causing them to stand on end. By doing this, the hairs form an insulating layer of air, which keeps us warm and maintans our constant internal body temperature.
pilierector muscle
To make someone's hair stand on end is to cause them to be very frightened, the expression is derived from getting goosebumps when scared and thus having your hair stand on end.
An arrector pili is any of a group of small muscles attached to hair follicles in mammals, the contraction of which causes the hairs to stand on end.
It raises the hairs to give you goose bumps but it gives you goose bumps because you're cold but also it raises your hair when you're frightened
Arrector Pili Muscle