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on an outline body like this MARK at least 3 places WHERE microbes can ATTACK Now say what types of microbe and what they cause Fungi cause athletes foot Bacteria and viruses cause STI’s (sexually transmitted infections) Bacteria cause tooth decay, sore throats Viruses cause colds and flu Bacteria (tetanus) can infect cuts and cause lockjaw and muscle stiffness
How does the body PROTECT itself from microbes that attack? (in stomach) (in windpipe) (All over outside of body) (When you cut skin) (in blood) (in mouth) (in nose) (in eye)
How does the body PROTECT itself from microbes that attack? ACID kills germs in stomach CILIA ( tiny hairs) in windpipe sweep away dirt and dust SALIVA kills bacteria TEARS kill bacteria MUCUS in nose traps microbes SKIN stops microbes from entering SCABS form when you cut skin WHITE BLOOD CELLS in blood kill germs and make ANTIBODIES Make sure this information is copied onto your diagram
Plenary Activity stomach HOW this happens WHERE this happens WHAT the body uses Cilia Destroys bacteria to prevent tooth decay saliva All over body Skin Attack and destroy invading microbes that could cause disease antibodies Stops bacteria infecting blood Mucus eyes Tears
Plenary Activity answers Kill germs in food Stomach acid HOW this happens WHERE this happens WHAT the body uses Remove dirt and dust Windpipe Cilia Destroys bacteria to prevent tooth decay Mouth saliva Barrier to infection All over body Skin Attack and destroy invading microbes that could cause disease In blood (white blood cells) antibodies Stops bacteria infecting blood Wherever the skin is cut Scabs Traps microbes Nose and windpipe Mucus Chemicals kill bacteria Eyes Tears