Glossary

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informal, local knowledge that has been built up over the centuries by the people who live in a...

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any disease that is caused by a virus or a bacterium or any other micro-organism.

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the main vein that returns deoxygenated blood from the lower parts of the body to the right...

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a response of the body tissues to injury or irritation. It causes pain, swelling, redness and...

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a viral disease of birds and mammals commonly called the flu.

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