Firstly is the house of commons which is the most powerful of the two Houses of Parliament. It is made up of 645 MPs, each elected in one of 645 constituencies throughout the UK and all are elected through that constituency to represent there area in the House of Commons. Almost all MPs are elected as members of a political party such as Labour or Conservative.
The House of Commons have many different roles to fulfil. These include Representation which is when MPs represent constituents and may represent 'interests' such as trade unions, or particular professions, provided these interests are declared. Almost all MPs represent political parties, and usually vote according to the party line (the whipping system). Secondly there is government Personnel. Although parliament does not appoint the government, it provides a forum in which budding ministers can demonstrate and hone their political skills, while serving ministers can make or break their career depending on their performance at the Commons' dispatch box. Thirdly there is legitimisation. This Permits the elected assembly, acting on the people's behalf, to grant (or withhold) its approval for most actions of the government, including legislation and the grant of money. Lastly there is scrutiny of the Executive. This is the role in scrutinising the policies and actions of the government, in debates, parliamentary questions and within the influential cross-party select committees.
Secondly is the House of Lords, this