Wednesday, November 7, 2007

sense of touch


Sense of touch
Our sense of touch is the ability to feel by the nervous system (receptors) sending messages to your brain and thus reacting accordingly. We use this sense to detect pain, pressure, temperature etc. For example, if pain was inflicted upon you, your muscles would flinch involuntarily to prevent more pain and injury.

Nerves are located everywhere around your body; it is simply that some places have more nerves than other places and therefore being more sensitive. Unlike the other senses, nerves are everywhere and not specific to site (i.e. sight, eyes)

Fingertips would be a good example of concentrated receptors nerves, making it one of the most sensitive body parts in your body. Thus, even without sight, people are able to read through ‘braille’ by recognizing different ‘surfaces’ and associate them with letters in the alphabet.


the braille alphabet

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