The HOUSE of Commons is the lower HOUSE of the Parliament of the United Kingdom. It is composed of 650 members elected to represent constituencies by the first-past-the-post system. The HOUSE of Commons is responsible for making laws, approving taxes, and scrutinizing the government's policies. It has the power to give approval to the government's decisions and can also reject or amend proposed legislation. The HOUSE of Commons is presided over by the Speaker of the HOUSE of Commons.