Answer:The progress of cells changing to serve a specific function.
Explanation: The cells differentaits when it decides what it will become like heart, muscles, or bones.
I might be able to do it but not now... try put it in an essay generator
From the options above the one with strongest connotation to replace one poor word would be: (C) Miserable
Speech is not innocent and words are sometimes, consciously or unconsciously, charged with an interpretation different from what is said. In this miserable case it could be taken in a derogatory way or simply as a person who is having a bad time and being very sad feels miserable. Although surely, there could have some other interpretation of the word.