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Why do the hairs of your head stand up straight and apart from each other if you are given a strong enough charge?
The hairs on your head stand up straight and apart from each other when given a strong enough charge because they are all positively charged and repel each other due to the principle of electrostatics. This causes them to separate from each other and stand up straight.
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.
Why shivering increases body temperature?
When you shiver, your body is trying to warm up because your body knows that something is cold and it is touching your skin so the pours on your skin close up and the hairs on your body stand up so it can capture heat and once your hairs go down it traps the heat making sure that your body is warm. So yes, shivering does increase your body temperature.
After turning off the television you approach it As you get close but not touching it the hairs on your arm start to stand up This is an excellent example of static charge built up by?
friction between the television screen and your body.
What causes your hair to stand up after pulling a wool sweater over your head?
When you pull a wool sweater over your head, friction between the sweater and your hair can create static electricity. This static charge causes your hair to stand up as the individual hairs repel each other due to having like charges.
What are the smooth muscle cells that stand hairs on end in response to cold known as?
Those are known as arrector pili muscles. They are responsible for contracting and causing hairs to stand up in response to cold or emotional stimuli.
In order to warm the body up when cold?
the arrector pili muscles contract to stand hairs upright
What does it mean when your hair on your arms stand up?
It could mean that your just cold or that it is staticy.
What does it mean when the hairs on your arm stand up?
it means that ur cold and ur skin is trying to make u warmer
Is there any way to know if a spirit is around?
there isn't homie it will be cold near you,and the tiny hairs in your body will stand up like needles,,
What is another word for hairs on a dog's back?
when the hairs stand up on a dogs back they are known as Hackles
How does hairs standing up on your arms keep you warm?
A muscle beneath the upper layer of skin called the hair erector muscle contracts. When doing so it causes the hairs to stand up and this creates an insulation layer by trapping warm air, which also helps maintain a constant internal temperature.
What is dead hair?
Dead hairs are the hairs that are curly and rough when touched and they stand up and can make your hair really messy.
Why does your hair stand on end when you take off your hat or a cold dry day?
When you take off your hat, you hair stands on end because of static electricity. Basically, the friction from your hat being removed causes the hairs to lose some electrons and become positively charged. Like-charges repel, so all of the positively charged hairs try to get as far away from each other as possible. This is why it stands on end. When you are cold, your hairs stand up to trap air. Air is a very good insulator, so the hairs trap pockets of it in an attempt to keep you warm. They stand up because little muscles under the skin attached to each hair (called hair erector muscles) contract, pulling the hairs upright.
Why do hairs stand up if body temperature is too low?
to keep the body warmer....
Why do the hairs on your arm stand up when they come into contact with a balloon?
static electricity static electricity
Why do you get bumps?
Ur skin is trying to get warmer by pulling your hairs up to protect the skin from the cold.
