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Skeleton (Skeleton and bones)

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                                                                                                                                                                                                                                                                           Skeleton
                                                           Skeleton                                                                                                                                Skull
                                                                                                                                                                                                                                   Smallest bone
                                                                                                                                                                                                                                     Around the same length
                                                           Your bones all join up to                                                                                                                                                 as a grain of rice, this
                                                                                                                                                                                                                                     is one of the smallest




                                                                                                                                                                                                                                                                           and
                                                           make a frame for your body                                                                                                                                               bones in your body. It
                                                           called the skeleton. This                                                                                                                                             lies deep inside your ear.




                                                                                                                                                                                                                                                                           bones
                                                                                                                                                                                                   Jaw bone
                                                           protects your insides, and
                                                           helps you move about.
How many ribs have you got?




                                                                                    Shoulder
                                                                                       blade                                                                                                                                                            A giraffe’s long
                                                                                                                                                                                                                                                        neck helps it to
                                                                                                                                                                                                                                                        eat leaves
                                                                            Each finger                                                                                                                                                                 off tall trees.
                                                                            has three bones,
                                                                            except for your
                                                                            thumb, which
                                                                            has two.




                                                           You have eight
                                                           small bones in
                                                           each wrist.




                                                           206 bones                                                                                                                                                                Neck bones
                                                           There are 206 bones                                                                               There are                                                              Did you know that you
                                                                                                                                                                                                           Rib
                                                                                                                                                           24 bones in                                                              have seven bones in your
                                                           in an adult skeleton.                                                                            your spine.
                                                                                                                                                                                                                                    neck, the same number
                                                           Over half of these are found in                                                                                                                                          as a giraffe? The top one
                                                           the hands and feet – the parts                                                                                                                                           allows you to move your
                                                           of your body that perform the                                                                                                                                            head up and down, the
                                                                                                                                                                                                                                    second lets you rotate it
                                                           most complicated movements.                                                                                                                     Pelvis                   from side to side.
                                                                                               The th




                                                                                                                                                                               Your tail bone is
                                                                                                                                                                               at the very
                                                                                                                                                                               bottom of your
                                                                                                     igh bone is the b




                                                                                                                                                                               spine.
 24, unless you are one of the rare people born with 26.




                                                                                                                                                                                                                                            Frogs have very short
                                                                                                                                                                                                                                            spines to withstand the
                                                                                                                                                                                                                                            strain of the huge leaps
                                                                                                                                                                                                                                            they take.

                                                                                                                                                                          Thigh bone
                                                                                                                       iggest




                                                                                                                                                                                                                    Snakes are
                                                                                                                                                                                                                                             A fish’s
                                                                                                                                                                                                                    incredibly bendy
                                                           Long lasting                                                                                                                                                                      spine allows it
                                                                                                                              and strongest in




                                                                                                                                                                                                                    thanks to many
                                                                                                                                                                                                                                             to bend its body from
                                                           Bone is a very hard                                                                                                                                      identical
                                                                                                                                                                                                                                             side to side so it can
                                                           material and one of the last                                                                                                                             vertebrae forming
                                                                                                                                                                                                                                             swim smoothly.
                                                                                                                                                                                                                    their long spines.
                                                           parts to rot away when a
                                                           body is buried. This woman
                                                           lived in the Stone Age, 5000                                                                                       Shin bone
                                                           years ago, but her bones
                                                           have survived until today.
                                                                                                                                               the body.




                                                                                                                                                                              Your ankle has
                                                                   Become                                                                                                     three larger
                                                                 an expert...                                                                                                 bones and four                               Other skeletons
                                                                                                                                                                              smaller ones.
                                                             on bone and cartilage,                                                                                                                                        Most animals have a
                                                                  pages 20-21                                                                                                                                              backbone and are called
                                                                                                                                                                                                                                                                           Skeleton




                                                                   on teeth,                                                                                              There are 54
                                                                                                                                                                          bones in your
                                                                                                                                                                                                                           “vertebrates”. Animals
                                                                  pages 84-85                                                                                             hands, and 52                                    with no spine, like spiders
                                                                                                                                                                          in your feet.
                                                                                                                                                                                                                              and bugs, are called
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                                                                                                                                                                                                                              “invertebrates”.

				
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posted:10/10/2012
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