Page 15 - Ranger PT3 2022 science
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Science PT3  Chapter 2  Cell as the Basic Unit of Life

                     Muscular system                      Digestive system
                     Controls the movements               •  Digests complex         Mouth
                     of the body and                       food into simpler         Oesophagus
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                     internal organs through       Muscle  form so that              Stomach
                     contraction and                        it can be   Large        Small
                                                                       intestine
                     relaxation of muscles                  easily                   intestine
                                                            absorbed
                                                          •  Eliminates solid
                                                           waste products
                                                                                                                                                                                                       Form 1
                     Excretory system                     Lymphatic system


                                       Lung                             Lymphatic gland
        Form 1
                                       Kidney                           Lymph
                                       Ureter
                                       Gallbladder                      Lymphatic vessel
                                                                        Lymphatic node
                                       Skin

                     •  Functions to remove excess waste   •  Transports lymph fluid (a type of colourless
                       products from the body              fluid that contains white blood cells)
                     •  Eliminates toxic and poisonous remnants  •  Helps the body to get rid of toxins, carry
                     •  Cools down the body and helps regulate   nutrients and fight off viral and bacterial
                       body temperature                    infections
                     •  Controls the body’s pH
                     •  Maintains the balance of chemicals and
                       water
                     Integumentary system                 Endocrine system
                                                          Coordinates and
                                                          regulates body
                                   Skin                                             Brain
                                                          functions such   Thyroid  Pituitary gland
                                                          as growth,    gland
                                                          puberty and
                                                          glucose levels  Pancreas  Adrenal gland
                                                          in the blood by   Testis
                                                                        (Male)
                                                          producing                 Ovary
                                                          hormones                  (Female)
                     •  Covers and protects the whole body
                     •  Protects the body from dehydration and
                       regulates body temperature

                     Reproductive system

                     Produces female reproductive                       Produces male
                                              Ovary
                     cell (known as ovum)     Uterus                    reproductive cell (known
                                              Cervix               Testis  as sperm)
                                                                  Penis





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         02 Ranger Science Ting.1.indd   28                                                30/03/2022   11:27 AM
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