| A | B |
|---|
| small organisms which can only be seen with a microscope | microorganisms |
| examples of microorganisms | are bacteria, fungi, viruses |
| microorganisms which causes disease | pathogens |
| Yeast is a | unicellular fungus |
| fungi cause diseases such as | thrush and athlete's foot |
| bacteria do not have | a nucleus |
| viruses are | very small and all cause disease |
| viruses can only reproduce | if they enter a living cell |
| diseases caused by viruses include | colds, flu, measles, AIDS |
| lymphocytes | produce antibodies to protect us |
| phagocytes | engulf and digest pathogens |
| antitoxins | are chemicals made by lymphocytes which neutralise poisons made by microbes |
| poison | toxin |
| when you are not able to catch a disease | you are immune |
| prevent microbes from causing disease in the eyes | tears |
| prevent microbes from getting lodged in the lungs | ciliated epithelial cells |
| kills microbes in our food | stomach acid |
| stops microbes from getting in through breaks in the skin | scabs |
| part of the blood responsible for blood clotting (forming scabs) | platelets |
| part of the blood responsible for fighting off infection (microbes) | white blood cells |
| vaccination | = immunisation |
| what is in a vaccine? | a weakened/ dead form of the disease |
| antibiotics | kill bacteria |
| the scientist who first discovered antibiotics | Alexander Fleming |
| superbugs like MRSA | are resistant to antibiotics |
| MMR | measles, mumps and rubella |
