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I don't know the complete answer to this question and I don't even know if this right but I think it is caused by adrenaline which makes all your nerves send an alert through the body and I think that alert just brings about the goosebumps. This is a natural response of the body to warm the surrounding area of the skin. If you get cold or a chill, your skin points the hair straight up to make a collective mass of air, which maintains the air temp, rather than it lying down. It is similar to having thermal underwear on, or like being wrapped up in a blanket. This makes a non moving air mass that will warm up because of body temp. This explains why people in hot climates have curly hair, because it is a heat coil. It lets the heat dissapate and why people in cold climates have straight hair and more oily, which will not cold air pass through easily. It just creates a air or vapor area surrounding the skin.
What else can I help you with?
What causes hair to stand on end and goose bumps to appear?
When you are cold or scared, tiny muscles called arrector pili contract, causing hair to stand up and creating goose bumps on your skin.
Is arrector pilli assist in maintaining skin tonus?
Yes, the arrector pili muscles contribute to maintaining skin tone. These small muscles are attached to hair follicles and contract in response to various stimuli, causing the hair to stand on end and the skin to form "goosebumps." This contraction helps to firm the skin and provide support.
What causes hair on skin to stand up?
If you have goosebumps
What type of skin does not contain hair?
None, every skin type contains hair. It's the matter of concealing it. People with darker hair have hair on their skin that will stand out and vice versa with people who have lighter hair.
What does your hair stood on end mean?
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.
What is the Shakespearean Make your hair stand on end meaning?
In Shakespearean language, "make your hair stand on end" means to scare or horrify someone to the point that their hair raises in fear.
What muscle causes your hair to stand on end?
The arrector pili muscles makes the hairs on your arm stand on end.
What structure houses a hair?
A hair is housed in a hair follicle, which is a small cavity in the skin where the hair grows from. The hair follicle also contains sebaceous glands that produce oil to keep the hair and skin moisturized. Each hair follicle is connected to a tiny muscle called the arrector pili muscle, which can cause the hair to stand on end when contracted.
What make your hair stand on end?
Arrector Pili Muscle
An animal's fur and a bird's feathers 'stand on end' when it is cold How this helps. Why don't humans have fur?
when the hair stands up it closes the skin and the pores which help to conserve heat
What does the pilosebaceous unit consist of?
The pilosebaceous unit consists of a hair follicle, sebaceous gland, and associated arrector pili muscle. The hair follicle produces hair, the sebaceous gland secretes oil to lubricate the skin and hair, and the arrector pili muscle is responsible for causing hair to stand up on end.
Does hair stand in fear?
Some hairs do stand up from fear. An example is the 'hackles' that stand the hair erect on the back of dogs and other animals when they are ready to fight. When the skin tightens during an adrenalin rush, the hair appears to stand up at the roots, but this is hardly noticeable with the soft hair of most humans.
