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the attack squad—and they are not
                                                                                                          athlete’s foot and ringworm invade
                                                                                                               on living tissues and making


                                                                                                   Fungi There are some harmful fungi on   fun guys at all. Those that cause  and grow through the skin, feeding   the skin cracked, red, and sore.

                                                         Battling bacteria are key players on the attack
                                                             body, bacteria release toxins that either kill
                                                           team. Once they get a foothold inside the  body cells or stop them from    and pneumonia.


                                                        Bacteria   working properly. Allow them   to advance and bacteria   can cause diseases   such as meningitis

























                                         as bacteria, viruses, and other heavyweights try to get into
                                            body tissues and cause mayhem. But those attackers are
                                               facing strong defense tactics and the game will be tough.
                                      germ bashers. The defenders will have to be on their toes
                                   pathogens, the body’s defense team is fielding a squad of
                                                                       a special way of infecting the body.
                                                                    The most aggressive members   Left unchallenged, they invade body   to invade. Colds, the flu, measles,   by viruses.
                                                                     of the attack team, viruses have
                                Threatened by attack from a team of disease-causing
                                                                             themselves before seeking new cells
                                                                            cells and make multiple copies of
                                                                                   and rabies are all caused
                                                                   Viruses
                            UNDER ATTACK













                                                                                                     Protists  Many protists, such as   pond-dwelling amebas, are completely  harmless, but some have been recruited    to the pathogen squad. Giardia, for   example, picked up from infested food    and water, irritates the intestines and    causes vile, stinking diarrhea.


















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