In the model, this is the grape. Cell membrane close cell membraneThis surrounds the outside of animal cells and controls what can enter and exit it.: In the model, this is the balloon.

Scientists have created the most detailed wiring diagram of a mammalian brain to date, mapping every cell and synapse in a cubic millimeter of a mouse’s visual cortex.

Prior to using this narrative, have learners create their own model of a cell in their notebooks using whatever background information or experience they might have. While exploring the narrative, ...