Fix errors on rough draft

In the first paragraph make a separate introductory paragraph about what we learned in Chapter 4 about blood being a specialized connective tissues. See Chapter 4, Section 3, and Figure 4.11 (k) in particular for guidance. (check files sent)

In the Paragraphs 2 – 3: go to the end of Chapter 17 in the “Developmental Aspects of Blood” (check the files ) section, and summarize where blood is formed in fetus. what blood islands and hemoglobin F do, and what types of blood disorders are prevalent in old age.

In Paragraphs 4 – 6: Here is where to put what i already wrote about blood testing, specialized blood testing, and biomarkers for Alzheimer’s that i summarized from my outside source.