Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids.

Fact 2: Immunization in a pregnant woman produces both active and passive immunity in the fetus.

Given the two facts above, answer the question "What does a pregnanct woman pass on to the fetus?" with the following options: 
- Leptospirosis
 - Energy.
 - antibodies
 - education
 - embryo
 - parasites
 - zygotes
 - fever


 

   antibodies      