This type of reflex never in fact reaches the brain. The reflex arc begins with the perception of temperature, moves to the peripheral spinal chord, and is immediately sent back into a muscular contraction to move the hand away.
The sense organ of touching is skin.
Hair receptors entwine each follicle and respond to hair movements. You can feel their effect by carefully moving a single hair with a pin or by lightly running your finger over hairs of your forearm without touching the skin.
Cold receptors would be activated, maybe causing you to shiver.
Sometimes. http://www.wikipedia.com/
edwin and grvey
asymptote
palpation
The force with which both surfaces are touching and the types of surfaces involved
One of the things it is used for is to smell things.
fast adapting sensory receptors (for example smell) adapt rapidly because a foul smell can not cause harm to your body the brain quickly gets used to it. However slow/no adapting receptors is for safety. If something did not hurt, you would continue to do it even though it causes harm to your body. If touching a hot stove didn't hurt, then we wouldn't ever stop. Our body does not adapt to this heat because it is giving us a warning sign to stop before we damage the skin.
Adjacent means two objects touching immediately next to each other without any intervening space.
Examples of instinctive human behavior include breathing, blinking, and flinching in response to sudden loud noises or threats. These behaviors are automatic and do not require conscious thought or learning.