Answer:
Going from Executive to Legislative:
- President calls special sessions of Congress
From Legislative to Executive:
- Congress can impeach the President
- Congress can override vetos
From Legislative to Judicial:
- Congress can impeach federal judges
- Congress approves Supreme Court Justices
From Judicial to Executive:
- Supreme Court can call executive actions unconstitutional
From Executive to Judicial:
- President nominates Supreme Court justices
Hope this helps!