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Time allowed 30 minutes instructions fill in the boxes at the top of this page. However, you do not always need to use your calculator you can often do the calculations in your head as they usually involve simple numbers. Excitability is the ability of a neuron to respond to the stimulus and convert it into a nerve impulse. Show all the steps in any calculations and state the units. Now that we can calculate impulse, we can take a look at some interesting examples of impulse in everyday life. The coursebook content has been revised and rearranged, ensuring that it is up to date and comprehensive.
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