Just like a king rules a kingdom...

...the nucleus rules a cell.

Just like a cook makes food that gives you energy...

...in a cell, ribosomes make proteins that give you energy.

Just like a highway helps cars get places...

...in a cell the smooth E.R. helps ribosomes get to where they need to go.

Just like a cabinet stores food in your kitchen...

...the vacuole stores food and water for a cell.

Just like soap helps keep you clean...

...the lysosome keeps a cell clean.

Just like water fills up a pool...

...the cytoplasm fills up a cell.

Just like walls protect and give your house its shape...

...the cell wall protects and gives a plant cell its shape.

Just like policemen help make sure that bad guys don't get into places...

...the cell membrane makes sure that only things that a cell needs can get in.

Just like you check, wrap and deliver the ...on Purim משלוח מנות

...in a cell, the Golgi apparatus checks, fixes and delivers proteins to where they need to go.

This last one is only in plant cells. Just like your Mommy makes food in a kitchen...

...the chloroplast is where a plant cell makes food for the plant.