stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Bio II: Midterm Review - Human Body Systems Flashcards | StudBud
Bio II: Midterm Review - Human Body Systems
1 / 54
What is a vaccine?
A
A white blood cell that makes antibodies.
B
A substance that helps build the bodies immunity.
C
A protein that attacks pathogens.
D
A substance that infects you with only a slight sickness.
Next
0
0
correct · 0:00