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Micro-Organisms. Microbes are Tiny Living Things. Microbes or micro-organisms can only be seen through a microscope. There are millions of microbes in the soil, air, water and even the human body. Some microbes are USEFUL and some are DANGEROUS . Bacteria and viruses are microbes .
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Microbes are Tiny Living Things • Microbes or micro-organisms can only be seen through a microscope. • There are millions of microbes in the soil, air, water and even the human body. • Some microbes are USEFUL and some are DANGEROUS. • Bacteria and viruses are microbes.
Helpful Microbes do Important Jobs • Bacteria which help make vinegar, cheese and yoghurt • Bacteria rot down dead organisms and put nutrients in the soil for plants to help them grow • Yeast is a microbe: it’s used to make beer and bread
Harmful microbes can cause Disease • They cause disease and illness: flu, colds, measles, chicken pox, AIDS,tetanus, etc. • Microbes cause tooth decay.
Four ways of Spreading Disease • From coughs and sneezes • From touching infected people or objects • From insect bites • From infected food
In the Kitchen – be Sensible with Food • Keep food covered • Store food in a fridge • Heat food properly when cooking • Store raw meat away from cooked meat • Preserve foods properly – take away water and air
At home – be Sensible with Personal Hygiene • Wash your hands after going to the toilet • Don’t sneeze or cough over people
At the Doctors – Medicines are used to fight Microbes • Medicines called vaccines and antibiotics are taken as pills or injected – to fight microbes that cause illness