4
AssignmentMultiple Select

The Immune System

Question 4 • FL-2000310-Biology 1 Sem 2

Which of the following did you include in your answer? Check all that apply.

Answer
A
weakened pathogen introduced to the body
B
white blood cells form antibodies against the pathogen
C
memory cells remember the pathogen and attack it if it enters the body again
D
vaccinations help the body build immunity