TOUCH

HOW IT WORKS

• The dermis is filled with tiny nerve endings
• Nerve endings tell you what you come in contact with
• They do this by carrying information to the spinal cord
• The spinal cord sends it to the brain and the brains decides how to react
• It senses hot or cold, pain, pressure etc

TOUCH

• Called Somatosensory system
• Sensory receptors cover skin, muscles, bones, joints ,and organs
• Uses the central nervous system, peripheral system, and sensory system
• Neurons are sent from the receptors to brain
• Uses hair follicles as well to feel touch

FACTS

• The most sensitive areas are the hands,face,neck,tongue,and fingertips
• There are more then 100 touch receptors in each fingertip
• You have more pain nerve endings than anything else
• First sense to develop in humans