How many organs are there in UNO?

The correct answer is 4.

The four organs in UNO are:

• The Draw Pile: This is a face-down pile of cards that players draw from when they need to replenish their hands.
• The Discard Pile: This is a face-up pile of cards that players discard when they play a card.
• The Reserve Cards: These are the cards that are placed face-up next to the Draw Pile at the beginning of the game. They can be used by any player to play a Draw Two or Wild Draw Four card.
• The Hand: This is the set of cards that each player holds in their hand. Players can play cards from their hand to the Discard Pile.

The Draw Pile is always replenished from the Reserve Cards when it runs out. The Discard Pile is always shuffled and becomes the new Draw Pile when the game ends. The Reserve Cards are never shuffled

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