I believe the second ranking leader in the House is the majority leader.
Majority Floor Leader
In Britain, they are the House of Lords and the House of Commons. In Canada, they are the Senate and the House of Commons.
Along party lines, the Senate has the Senate Majority Leader and the Senate Minority Leader who represent the majority and minority party in the Senate respectively. Each of these Leaders has assistants called Whips. The House of Representatives has the Speaker of the House who is elected by that majority party. The second in command is the Majority Leader of the House of Representatives. There is also the Minority Leader of the House of Representatives. Both of these people have Majority Whips and Minority Whips as their assistants, respectively.
The President is not at the top of the Legislative Branch chain of command; he or she is at the top of the Executive Branch chain of command. The leaders of the Legislative Branch are the Speaker of the House and the Senate Majority Leader.
There is not a President of the House of Representatives. The leader of the House is called the Speaker of the House. She is the head of her political party, and has some administrative and procedural duties. She is also second in the line of succession after the Vice President.
There are 435 representatives in the House of Representatives.
There are 435 representatives in the U.S. House of Representatives.
There are 15 Michigan Representatives in the US House of Representatives. There are 110 Representatives in the Michigan House of Representatives.
Illinois currently has 19 representatives in the House of Representatives.
The lower house of Congress is called the House of Representatives. Although, the United States does not really use terms like that.
The U.S House has 435 representatives.
House of Representatives
The House of Representatives.