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Unlike other muscle cells in the human body, cardiac muscle is able to contract independently of the central nervous system. This is because it contains ‘pacemaker cells’ which are able to spontaneously gene...

Inflation is defined as a sustained increase in price levels. Deflation is defined as a sustainedfall in price levels. There are a handful of concerns as to why the MPC should be concerned,but also a few key...

The aggregate demand (AD) is the total quantity produced in an economy at a given price and is equal to the national income and real GDP. AD is composed of 4 parts: Consumption (C), Investment (I), Governmen...

In summary, the system of democracy practised in the Federal Republic bears some striking similarities to that of the Weimar Republic. In terms of overall structure, the role of elections and the nature of g...

For molecules to react with each other, they need to react frequently with the correct speed, enough energy and in the correct direction. An increase in temperature increases the kinetic energy of molecules ...