Page 52 - SK Year 5 Science DLP
P. 52

Left  side of  heart


                     human              lungs
                     body

                                                                    human     lungs
                                                                    body


           6. Pour blue-coloured water into the        7. For the left side of the heart, attach
              first plastic cup and label it “human       the end of the shorter tube to the
              body”. Then, pour red-coloured              mouth of the cup labelled “human
              water into the second plastic cup           body”. Then, attach the longer
              and label it “lungs”. Fasten two            tube to the base of the cup labelled
              binder clips to each cup.                   “lungs”.








                                           Left   side of   heart

                   Right
                 side of
                heart
                                                                        human    lungs
                                                                         body
                           human   lungs
                           body


           8. For the right side of the heart, attach  9. Alternately, squeeze and release the
              the end of the shorter tube to the          bottles. Observe the movement of
              mouth of the cup labelled “lungs”.          the red-coloured water (blood rich in
              Then, attach the longer tube to the         oxygen) and the blue-coloured water
              base of the cup labelled “human             (blood rich in carbon dioxide).
              body”.














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