There are different types of cells for every job in your body. how do we refer to those cells that develop differently?
a. they are unidirectional.
b. they are unorganized.
c. they are specialized.
d. they are usually damaged.

c. They are specialized.

These are called specialised cells.

A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multi-celled organism.  Both plant and animal cells are eukaryotic cells.
For example, an epithelial cell can communicate and cluster with other epithelial cells thus, creating a epithelial tissue which now can serve to protect the body and serve as one component for excretion and homeostasis.

C - they are specialized.

In our bodies, we have a multitude of specialized cells where each of those have to play their role in order for our body to function properly. Without these cells working as intended, we're subject to disease and illnesses.