What are the requirements to become a U.S Representative and a U.S Senator?

U.S. Representative: Must be at least 25 years old; must have been a resident of the US for at least 7 years; and must be, at the time they are elected, an inhabitant of the state he or she was elected to represent, and a US citizen.

U.S. Senator: Must be at least 30 years old; must have been a resident of the US for at least 9 years; and must be, at the time they are elected, an inhabitant of the state he or she was elected to represent, be a US citizen.