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disease caused when the arteries that supply the heart muscle become narrowed or blocked by the build-up of cholesterol and fatty deposits on their inner walls. It can lead to angina or a heart attack.
a sticky film that forms on the enamel of teeth. It is made up of small food particles, saliva...
the series of activities that takes place in a cell leading to its division and duplication (...
the nervous system outside the brain and spinal column.
a molecule that is formed when oxygen and haemoglobin combine chemically.
the ability of a liquid to spontaneously rise up a narrow space, such as that found in xylem...