Saturday, October 6, 2018

How does the body respond to touching something hot?


It’s happened to all of us – reaching for a plate only to make the unfortunate discovery that it’s scalding hot and in danger of giving your hand a nasty sizzle, so, quick as a flash, you drop it.
This might seem like a rather uninteresting sequence of events, but in fact it’s a rare exception to the way your body normally functions – an exception that is probably one of the reasons why humans are still around.
The human nervous system can be divided into two parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system is made up of the spinal cord and the brain, while the peripheral nervous system is everything else, right down to the pain sensors in your big toe. These two systems work together to basically control  everything you do.
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