Page 38 - Future Stars Science Explorer-5
P. 38

B.     Fill in the blanks with the help of given words.


                                   nerves,     walnut,     eardrum,     iris,     medulla

                    1.   The brain looks like a __________              .

                    2.   The __________           is active even when we are asleep.
                    3.   The brain is directly connected to the head and neck by the __________                       .

                    4.   In the centre of the eye, lies the round __________                .

                    5.   The __________           vibrates very fast.



                           T
                                            F

            C.     Write  for true and  for false statements.

                    1.   The nervous system is made up of four parts.
                    2.   The space between the brain and the skull is filled with a fluid.
                    3.   Sensory nerves carry messages from the brain to the muscles.

                    4.   The reflex action allows slow reaction.

                    5.   Our ears help us to hear sounds.


            D.     Name the following.

                    1.   It looks like a walnut                                                      __________

                    2.  It is the largest part of the brain                                          __________

                    3.  It is the innermost layer of the eye                                         __________
                    4.  It is the organ of smell                                                     __________

                    5.  It helps us to sense pain                                                    __________



            E.     Complete the flow chart.


                                                     Nervous system

                                                                   comprises



                               Brain                                                         Nerves

                                   made up of                                                      types













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