If a person contracts and survives an infectious disease such as measles, they tend not to get the disease again later in life. What cells are involved in this protective process?
A. Platelets
B. Neurons
C. Lymphocytes
D. Neutrophils
E. Erythrocytes
The answer is (C) LYMPHOCYTES. Lymphocytes are the cells that allow the body to remember and recognize previous invaders and help to destroy those invaders. (Ex: Measles, Mumps)
