An introvert is likely to stay inside and read all day. Compared to extroverts*, introverts are people who are less outgoing and sometimes prefer solitude than engaging with others.
Answer:
One example of checks and balances is that the president can veto any bill passed by Congress, but a two-thirds vote in Congress can override the veto.
Another example: The House of Representatives and the Senate both have to pass the same bill before it can become a law.