There are different types of cells for every job in the human body. which statement is true about cells that develop differently? a. they are unidirectional. b. they are unorganized. c. they are specialized. d. they are usually damaged.

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there