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An unconsious action in response to a stimulus. These are very quick movements and have evolved to allow basic protection. For example, when you touch something hot, you automatically remove your hand before...

A synapse is the area between two nerve cells, allowing electrical impulses to be passed between them. In order to cross the gap from one neuron to another, the impulse gets converted to neurotransmitter - t...

The definition of unemployment that is used by the UN is the ILO definition, this covers those that are out of work, want a job, have actively sought work in the previous four weeks and are available to star...

The use of case studies is often essential in geography exams as they help create structure in a long answer question and also display your knowledge of specific examples in reference to any facts you may be...

Step 1 : First we multiply both sides by 4, this is to eliminate /4 on the lhs(left hand side), and then we multiply the rhs(right hand side) by 4, this gives us (11-w) = 4(1+w) which is then equeal to 11-w ...