The 3 basic part of the cell theory?

All living things are made up of cellcells are the smallest units of lifeAll cells come from preexisting cells through the process of cell division

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Okay this will take 1 hour okay dont forget me.