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The Endocrine part of the Pancreas is the Islets of Langerhans which contain alpha and beta cells. These cells secrete hormones directly into the blood. The alpha cells secrete glucagon and the beta cells...

Approaching unseen essay questions, and planning essays within the exam time constraints, can seem really intimidating. However having a sturdy planning method will allow you to attack any question with c...

Since (x+2)/(2x²+1)³ can't be easily simplified into a more straightforward integral, we have to rely on some more advanced integration methods. Before trying things like substitutio...

Introduce your answer clearly and concisely. Address the question and outline your texts, making sure your line of argument is coherent. Dickens' Great Expectations is a text und...

Stationary points - dy/dx =0dy/dx = x² -8x +12 ( differentiating- early a level skill). Solving x² -8x +12=0 gives x=6, x=2 (solving quadratics- gcse skill). Subbing these values bac...