A cell membrane is just like a gate, certain people are let in. The cell membrane prevents bad materials to go into the cell and lets the good materials in, just like a security gate at a resort or apartment complex.

The nucleus is the control center, just like the lobby where the manager controls what rooms people are in and what needs to fix,etc.

Golgi bodies are used to store proteins and a kitchen is exactly like that. In a average kitchen, families usually make some type of protein with their meal. That is why a kitchen is like the Golgi body.

The vacuole is used to store water and other waste products. The pool represents the vacuole because it holds water for people to enjoy.

The ER is a basically a highway for materials so they can get to different cells. Sidewalks were made for people to be safe from cars and to get where you need to go.

The mitochondria is the power source of the cell and the electrician helps keep the power on in a lot of places. That is why there is a relevance.

The chloroplasts are used to retrieve energy for the cell. A solar panel does the same and keeps your home or business eco-friendly.

Lysosomes get rid of the bad materials or unused materials to keep the cell clean. A scanning device is the same, it makes sure that no one has anything that can harm someone else.