The two houses of the British Parliament are the House of Lords (Upper House) and the House of Commons (Lower House). They work on behalf of the citizens of UK to make and shape effective laws for the betterment and welfare of the people of UK. Members of Parliament (MPs in short) are elected by the people of UK in-order to present the interests, needs, concerns and problems of the people in the House of Commons.
Through the general elections in UK the people in every part of UK get to choose the MP of their choice whom they feel would work for the common good of the people. The people get a choice of several candidates in each constituency and the candidate who receives the highest number of votes becomes the MP from that constituency. The term constituency means an area whose voters elect a representative to represent their interests and concerns to the law-making body.
The members of the House of Lords i.e., the Upper House are appointed by the constitutional monarch of UK on the advice of the Prime Minister. The political party which wins the most seats in general election forms the Government to serve the people with integrity, accountability and transparency.