4 pts
3 pts
2 pts
1 pts
What parts of the body system are affected by this problem or disease?
How does this interfere with the functioning of this body system?
What causes this condition?
Can this disease or problem be prevented? If yes, how?
Can this disease or problem be treated? If yes, how?
How common or rare is this problem or disease?
Words are correctly spelled. Correct grammar is used.
Four sources are used, at least two of them are books.
Sources are cited in correct MLA format.