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...Open University's Science courses and qualifications Earth is a vibrant blue planet, the only place that we can be sure that life exists. As A Perfect Planet shows, a complex and interconnected set of systems operate to form our environment. Every planet except one in the Solar System has a gaseous atmosphere, as do some moons and even some dwarf planets. Why does the...

...Open University's Health Sciences qualification. The immune response to viral infection The immune response to a viral infection is primarily generated by a type of white blood cell called lymphocytes; cells that are mostly localised in ‘lymphoid tissues’ such as the lymph nodes or tonsils. However, the number of lymphocytes that can recognise and react against any...

...Open University course M248 Analysing data...Interpreting data: boxplots and tables: Learning outcomes - After studying this course, you should be able to: understand and use the following terms: boxplots, box, whisker, upper and lower adjacent values, rate, time series, line plot demonstrate an awareness of the idea that the general pattern of a set of data, in terms of...