Some do not pay attention to things like that.
I think this paragraph is mainly explaining the use of the nerves and exons, and what to do.
Answer:
Mrs. March and her girls cared about giving help to the mother and her children.
Explanation:
The passage explains that Mrs. March and her girls assisted the poor family by giving them food & tending to the needs of the children.
The answer to this is your hair. I just looked it up and thats what most sites are saying