In a(n) , cities and suburbs are so close together that they form one big urban area.

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.