1. What you will learn today . . .
Sense organs are loaded with receptors
Touch receptors are distributed throughout the body, but some are more closely grouped than others; some can respond to a weaker stimulus than others

2. TOUCH

3. Random Facts About the Sense of TOUCH
The least sensitive part of your body is the middle of your back
There are about 100 touch receptors in each of your fingertips, making it one of the most sensitive parts of your body
You have more pain receptors than any other type
Your skin, the receptor for touch, makes up 15% of your body weight

4. The Receptor Region: The Skin

5. The TOUCH Pathway
Signals for touch are received in the dermis layer of the skin. These receptors recognize four kinds of touch:
Pressure
Cold and Heat
Body Position
Pain

6. “DO I KEEP TOUCHING THIS OR NOT? “
The TOUCH Pathway
The touch signal travels to the spinal cord using the somatosensory system of nerves and then the brain, where that signal is processed
“DO I KEEP TOUCHING THIS OR NOT? “

7. What you will do today?
Test the sensitivity of the skin from different parts of the body: elbow, shoulder blade, fingertip, palm, back of hand, forearm, and back of neck
Use paper fasteners at different distances to see which areas can distinguish one or two points
Use different colored markers to see which areas can localize a touch