YES you can
Nothing specifically. But any accessories that you use hands for, you can use.
The Wii U is a standalone console and does not require the original Wii console.
The Nintendo Wii's use is for entertainment. It is a game console.
No the Wii U is an individual console itself
No, you cannot use a USB for the Wii.
Wii fitness it will help keep track of everything.
Wii controllers or remotes are not country or region locked. You can use controller from any country with any console.
No
The Nintendo Wii was developed for use as an entertainment/gaming console.
The Nintendo Wii can be purchased from a vast amount of online stores. You may to use a shopping comparison site first to find the best deal. Nintendo themselves would be the best site to find everything you would need such as the Wii console and accessories.
Yes, you have to have a console with a game that supports the balance board, if you buy the original Nintendo wii fit you'll get the game and the board
Wii U games cannot be played on the Wii.