What causes the Hairs on our body to stand up?

Question

Medically speaking?

Answer 1

To answer your question, medically speaking this is the pilomotor reflex. It's caused by the contraction of small involuntary arrector muscles (arrectores pilorum) in response to a cold environment, emotional stimulus or skin irritation.

Answer 2

Taking a patients temperature is a common procedure, but not one that should be taken for granted. Accurate technique is essential for accurate readings-- which are critical for guiding treatment decisions for patients with hypothermia, hyperthermia, or pyrexia. Here's what you need to know.

Chances are, you knew how to take a temperature long before you learned how to asses a patient's vital signs in nursing school. It's a common procedure, one that can be traced back as far as 1700 B.C. in medical references that describe how to assess temperatrue by hand.

The technique didn't change much until 1714, the beginning of the era of modern temperature measurement. That's when Fahrenheit invented the constant reference point thermometer using mercury in glass. Another 150 years passed before the next great stride in temperature measurement: Wunderlich established the normal range of body temperature in humans as 97.25 deg to 99.5 deg F. To do this, he collected more than 1 million temperatures from 25,000-plus patients using Fahrenheit's constant reference point thermometer. The range established by Wunderlich in 1868 remains the standard today.

Body temperature is an important measure of physiologic integrity and has rightly earned its place as one of the four vital signs (pulse, blood pressure, and respiration are the others). Why is temperature so important? The body maintains its temperature within a fairly narrow range. Changes in temperature beyond this range can alert you to the presence of illness. Temperature changes aren't always negative, of course. They can also tell you how well a patient is responding to treatment.

Answer 3

You know when everyone is sitting in a crowd and something exciting happens...everyone stands up to get a better look.

Hairs are the same way. They sit around all day just waiting for something exciting to happen and when it does...then BAM!!...they all stand up to get a better look....medically speaking.

Answer 4

That's a fable. Your hair does no longer develop again quicker and thicker when you shave it. The motive why it kind of feels that approach is since your hair will get thicker as you age. Hair thickness is honestly observed by way of your household genes as is baldness......you win!

Answer 5

changes in body temperature.

Answer 6

When you're about to get struck by lightning o.O

Answer 7

ghost, entering and exiting your body

Answer 8

follicles

Answer 9

goose bumps...