Multiple Sclerosis (MS) Is an Autoimmune Disease That Affects the Brain

question 3

Essay

Multiple sclerosis (MS) is an autoimmune disease that affects the brain and spinal cord.
MS affects women more than men, and is most commonly diagnosed between the ages of 20 and 40. MS sufferers typically have problems of coordination and walking. The standard care for some sufferers is a plastic device affixed to the lower leg and ankle. In a recent test of this device, volunteers with MS were timed as they walked across a room.
Times, measured without the device (ND) and with the device (D), are presented below.

-Construct a back-to-back stem-and-leaf display that will allow comparison of thetimes on the walking task.

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Definitions:

Lymph Movement

The process whereby lymph circulates throughout the lymphatic system, aiding in the removal of waste and the transportation of lymphocytes.

Lymph Vessels

A network of vessels that carry lymph, a clear fluid containing white blood cells and waste products, throughout the body.

Veins

Blood vessels that carry blood toward the heart, contrasting with arteries, which carry blood away from the heart.

Arterioles

Small branches of arteries leading into capillaries, responsible for regulating blood flow to specific areas of the body by constricting or dilating.