... between neurons and other neurons, muscles and glands. Those synapses that are used remain and get stronger, the other synapses detach, and the axons shrivel and die. Which brain cells and which ... Cell Differentiation and Embryonic DevelopmentBIO101 - Bora Zivkovic - Lecture 2 - Part 2There are about 210 types of human cells, e.g., nerve cells, muscle cells, skin cells, blood cells, ... becoming a cell of a particular type is called cell differentiation.The zygote is a totipotent cell - its daughter cells can become any cell type. As the development proceeds, some of the cells...