The way that vaccination works is by A) introducing a stronger ...

[Wadzanai]

The way that vaccination works is by
 
  A) introducing a stronger form of the body's natural defenses.
  B) introducing a diluted version of the target microorganism.
  C) introducing a medication that kills a target microorganism.
  D) introducing a group of antibodies the body cannot produce.

Question 2

The development of immunity depends on the creation of
 
  A) leukocytes.
  B) natural killer cells.
  C) antigens.
  D) antibodies.

[durant1234]

Answer to Question 1

B

Answer to Question 2

D