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Sense of touch
Touch Facts
Sense of touch
The sense of touch is due to the very sensative neurons that respond to any deformation of the plasma membrane. The sense of touch is located all over. This is because your sense of touch originates in the bottom layer of your skin called the dermis. The dermis is filled with many tiny nerve endings which give you information about the things with which your body comes in contact. They do this by carrying the information to the spinal cord, which sends messages to the brain where the feeling is register. The nerve endings in your skin can tell you if something is hot or cold. They can also feel if something is hurting you. Your body has about twenty differnt types of nerve endings that all send messages to your brain.
You have more pain nerve endings than any other type.
The least sensitive part of your body is the middle of your back.
The most sensitive areas of your body are your hands, lips, face, neck, tongue, fingertips and feet.
Shivering is a way your body has of trying to get warmer.
There are about 100 touch receptors in each of your fingertips.
Rattlesnakes use their skin to feel the body heat of other animals.