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Headquarters (Brain and senses)

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					Brain    and   senses

Headquarters                                                             Sense signals
                                                                          The cerebrum is
                                                                           the main part
                                                                           of your brain.
The brain is the body’s control                                            It gets and stores
centre. It is a complicated organ                                         sense information
                                                                         and also controls
that works very quickly,                                               your movements.
a bit like a brilliant,
living computer.



                                                  Cerebrum




Clever calculator
                                        erebellum
                                                       t em


The cerebrum is                       C
also responsible for
                                                     ns




thinking, speaking,
                                                   ai




and complicated
tasks such as sums.
                                                   Br

                         Your brain stem
                         works at the same
                         rate whether you’re
                         awake or asleep.




Muscle control                                      24 hours a day
Your cerebellum helps you                      Whatever else you do,
to balance and move your                       the brain stem makes
muscles. You use this bit of                    sure your heart and
your brain when you dance.                     breathing never stop.

30
           Does your brain hurt when you have a headache?
                                                                   Headquarters
                  Skull         In relation to the size
                                 of our bodies, humans have      Curiosity quiz
                                  the biggest brains of any
   Brain                           animal.                     Take a look through the
                                                               brain and senses pages
                            Brain box                          and see if you can spot
                            Your skull is a bony shell         where these come from.
                            that fits together like a jigsaw
                            around your brain. Shock-
                          absorbing liquid fills the space
                          between the brain and skull.




Learning
When you
learn to do
something
you create
connections between
cells in your brain.
Next time you do it the
connections are already
there so it is easier.
                              Short-term memory
                              Your short-term memory only
                              holds information for about a
                              minute. You use it to compare
                              prices when you go shopping,
                              or to remember a name when
                              you meet someone new.
                              Long-term memory
                              Your name, phone numbers
                              you know by heart, and skills
                              such as riding a bike can be
                              kept for many years in your
                              long-term memory.

           No, your brain can’t feel pain but the muscles around your head can.     31

				
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posted:10/10/2012
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