Question 11:
The vacuole can be represented by a Grocery Store. The reason for this is that a grocery store contains all of the necessities such as food, water, and all things needed. You can even make it fancier and say a specific store that sells all kinds of necessities like a Target or Walmart.
Question 12:
I know it's kind of basic but you could put the Golgi Body as a Amazon Packaging Center. I would say this because it gets the needed items ready to be sent out by the Smooth and Rough Endoplamsmic Reticulum (SER and RER)