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Cardiac muscle is myogenic i.e has the ability to contract naturally, without external stimuli, such as action potentials arriving via nerves. For the whole heart to contract in an organised manner, there ne...

The First World War displayed the ineffectiveness and under preparation of the Russian army as by 1917 there were c.4 million Russian soldiers dead and c.3 million wounded; this caused resentment towards a T...

y is a function of x 1 and x 2 . We are asked to derive y with respect to x 1 , meaning that x 2 remains constant. Note that y ' is the derivative of y. Both the numerator and denominator of the fraction con...

George shows loyalty to Lennie at many points throughout the novel. For example, in Chapter 1, he tells him to come back to the river if he ever gets into trouble. This shows how much he cares about Lennie a...

They key thing to remember is P.E.E (Point, Evidence, Explanation). In your introduction you should start of introducing what you are going to discuss. Then each paragraph should be a different point, for ex...