HSC Biology 1st Paper Note 4th Chapter Microbes. A few harmful microbes, for example, less than 1% of bacteria, can invade our body (the host) and make us ill. Microbes cause infectious diseases such as flu and measles. There is also strong evidence that microbes may contribute to many non–infectious chronic diseases such as some forms of cancer and coronary heart disease. Different diseases are caused by different types of micro-organisms. Microbes that cause disease are called pathogens.
HSC Biology 1st Paper Note 4th Chapter Microbes
A microscopic living organism. Examples include bacteria, protozoa, and some fungi and parasites. Viruses are also called microbes. Microbes are tiny forms of life that surround us — too small to be seen by the naked eye. They are found in water, in the soil, and in the air. The human body is also home to millions of these microbes, also called microorganisms. Some microbes make us sick, others are important for our health.
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