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Science PT3  Chapter 2  Cell as the Basic Unit of Life
               The Types and Functions of Animal Cells
                 1.  Diagram 2.6 shows the types of cells in a human body.
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                                                                     Nerve cell
                         Epithelial cell

                                                               Function: Carries information
                        Function: Layer that                   in the form of impulse to all
                        protects the internal                  parts of the body
                        organs

                                                                    Red blood cell
                         Reproductive cell                                                                                                                                                             Form 1
                        Sperm        Ovum
        Form 1
                                                                   Function: Transports
                       Function: An ovum carries                   oxygen and carbon dioxide
                       female genetic information                  (waste product)
                       while a sperm carries male
                       genetic information                         White blood cell

                           Muscle cell
                                                                   Function: Destroys
                                                                   microorganisms that
                                                                   cause diseases
                          Function: Enables
                          the body movement

                                       Diagram 2.6  Functions of animal cells

               Types and Functions of Plant Cells
                 1.  Diagram 2.7 shows the types of cells in plants.

                       Cuticle
                       Upper                                 Palisade
                       epidermis                             mesophyll
                                                             cell
                        Spongy                               Xylem
                        mesophyll
                        cell
                                                             Phloem
                       Lower
                       epidermis
                                 Stomatal pore  Guard cell

                              Diagram 2.7  Types of plant cells









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         02 Ranger Science Ting.1.indd   26                                                30/03/2022   11:27 AM
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