Cell membrane controls what enters and exits cells like a border control what enters and exits cities

Streets fill cities like cytoplasm fills cells

A town hall contains information and protects records like a nucleus stores and protests DNA

Cytoskeleton constantly changes to aid movement like how new freeways are built to help transportation

Smooth er removes waste mad produces lipids like recycling plants remove trash and make new things

A rough er produces proteins and is covered in ribosomes which is like a soup kitchen because it produces food and is filled with people

Ribosomes link to form proteins like how people come together to build cities

Golgi bodies sort, deliver, and process proteins like a mail room sorts, processes, and delivers mail

Vesicles divide and sort materials from place to place like mail trucks sort mail from place to place

Mitochondria is the power provider for a cell like a power plant provides energy to a city

Vacuoles store materials needed for a city like banks store money needed for a city

Lysosomes protects the cell from invaders like police protect the city from criminals

The cell wall protects the cell from damage like how buildings protect the people inside them

The chloroplast captures sunlight to make sugar and oxygen like how solar panels convert sunlight into electricity