they do nothing. They are there because you have hair all over your body.
Then you won't have any hairs there.
1
when the hairs stand up on a dogs back they are known as Hackles
I am not sure on what basis you distinguish between natural and unnatural methods of hair removal. You can shave hair off of a hand (or any location on the body) or you can pluck hairs with tweezers, which is much slower, but leaves no stubble behind. Of course, the hair will grow back. If you don't want it to grow back there is electrolysis, but presumably you consider that to be unnatural.
It works as a filter for particles in the air.
You can pluck the little hairs
Root hairs are mainly responsible for absorbing water and nutrients from the soil.
yes
these hairs are called tails. horses use these for fly swatters and they have them for horse language
The nerves in the back of the hand transmit sensory information to the brain, allowing us to feel touch, pressure, temperature, and pain in that area. They also help control the movement of muscles in the hand and fingers.
Leaves have a cuticle to prevent water loss through transpiration and protect against pests and pathogens. Root hairs, on the other hand, are specialized for absorbing water and nutrients from the soil, so having a cuticle would hinder their ability to uptake these essential resources.
allows the exit of hairs through the epidermal surface