The Great Wall functions as a cell wall because it protects the "cities" or the "organelles" on the inside of it.

The vesicle represents the delivery service because it transports materials around the "city" or "cell".

Chloroplasts represent a solar panel farm in the way that it takes the Suns energy and gives the city its green energy.

Th chromatin represents the documents because they determine what can be created in future of the city.

The cytoplasm represents the infrastructure of a city because it connects everything.

Th cytoskeleton is like a foundation because just like in a cell, it provides support for the buildings within the city.

The endoplasmic reticulum is like a factory because both produce the goods that are later exported from the cell and the city.

The Golgi apparatus is like a post office because it packages, tags, sorts, and finally ships the good out of the cell or the city.

The mitochondria is like a nuclear power plant because it produces the power that the cell and the city needs to run.

The nucleolus is like a hospital because it is where the ribosomes, or the workers are born or made.

The nucleus is like a town hall because it the control center of the cell and the city .

Plasma membrane is like a port because it lets things in and out of the cell. Ports let containers in and out of a city.

Ribosomes are like city workers because they follow the orders given to them by their boss, the command center, also known as the town hall, or the nucleus.

Central vacuole is like a reservoir because it stores water and gets rid of excess water much liked central vacuole