<human>:  What is the difference between the House of Commons and the House of Lords?
<bot>: The House of Commons is elected by the people of the UK, and the House of Lords is appointed by the monarch. The House of Commons is the lower house of the Parliament of the UK, and the House of Lords is the upper house. The House of Commons is made up of 650 members, and the House of Lords is made up of 760 members.