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Exercise has both long term and short term effects on the body. 

Short term effects include increased heart rate, increased cardiac output (volume of blood pumped out by the heart each minute, incr...

The kidney consists of a huge number of functional units called nephrons. Each nephron has multiple sub-structures within it that relate to the kidney's overall function. Glomerulus - A dense network of c...

The historical context of 'Of Mice and Men' centres around the United States of America during the years of the 'Great Depression.' The depression ignited with the Wall Street Crash on the 29th of October...

Often it can be difficult to break down the arguments given in textbooks for different philosophical and ethical theories. In the exam you'll have to demonstrate your understanding of these theories and a...

This is a common question asked by my students when they first learn about trigonometry. First draw a unit circle on the plane and the graphs of sine and cosine next to it. The circle obviously has 360 de...