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The pacemaker cells of the sino-atrial node in the right atrium generate an impulse.This impulse travels through the atria, causing depolarisation of cardiac muscle cells and atrial contraction.The impuls...

The present subjunctive is not a new tense. It is a version of the present tense which needs to be used in certain situations. The subjunctive is used to express doubt or desire.
To form the subjunc...

Throughout the duration of the poem, Byron employs vivid imagery in order to exaggerate the the beauty of his subject. This, combined with the lack of focus on anything beyond beauty, implies that the lov...