Symptoms of this disease: Within days or weeks, in the area of the tick bite (usually in the upper leg/thigh), a "Bull's-eye ring" or a red ring starts to appear. Also a redness of the skin usually results to generalized fatigue, muscle and joint stiffness, swollen lymph nodes ("swollen glands"), and a headache that often times relates to a virus infection.
Body system(s) affected: Abnormality in Skin (integumentary), Nervous (Nervous system), Heart (Cardiovascular), and Joints (Skeletal)
Picture:



sources:
http://www.medicinenet.com/lyme_disease/page2.htm (information)
http://www.dhpe.org/infect/Lyme.html (information)
http://www.lib.uiowa.edu/hardin/md/pictures22/cdc/9874_lores.jpg (image)
interesting / disgusting information:
-Lyme disease is mainly found at the New England and Michigan/Illinois area.
-It can be treated by antibiotics for up to 3-4 weeks. More difficult cases might take longer.
-Without treatment, there could be Long-term health problems.