1. house of representatives and Senate
2. senators serve 6 year terms and members of the house of representatives serve 2 year terms
3.to be a senator you have to be at least 30, you have to have had U.S citizen ship for at least 9 years, and you have to have U.S residency in which ever state you want to represent
4.to be in the house of representatives you must be at least 25 years in age, you have to have been a U.S citizen for at least 7 years, and also live in the state in which you wish to represent
