In a parliamentary system, by contrast, the legislature holds supreme power. The prime minister is chosen by members of the legislature (Parliament) from among their own number and in practice is the leader of the majority party in the legislature.
There are 435 Representatives in the House of Representatives. The number of members in the House of Representatives is a different story and is based on population.
The two houses of the U.S. Congress are the House of Representatives and the Senate. The House of Representatives consists of 435 members selected from states based on population. The Senate has 100 members, two from each state.