A cell is like a soccer field
Your feet are like the nucleus
the nucleus controls the cell the way your foot controls the ball.
Water bottles are like the vacuoles
The water bottles are like the vacuoles because vacuoles store water the way a water bottle would.
The soccer ball is like the cilia & flagella
The soccer ball is like the cilia & flagella because the ball keeps everybody moving the way cilia & flagella keeps the cells moving.
The cell wall is like exercising
The cell wall is like exercising because the cell wall helps keep shape the way exercising does.
the plasma membrane is like the coach
the plasma membrane is like the coach because the plasma membrane controls what goes on in and out of the cell the way a coach would control who is on and off the field.
the ribosome is like the athletic blender
the ribosome is like the athletic blender because the ribosome makes proteins the way a blender would if you put different types in it.