BCS8 Chapter 3 Flashcards
1
Q
antibodies
A
specific particles created by the immune system to destroy specific disease-causing invaders (singular: antibody)
2
Q
antigen
A
any substance the body cannot recognize; usually a non-living particle
3
Q
immune system
A
the body system that defends the body against infection and disease-causing substances such as bacteria, viruses, and cancer cells
4
Q
pathogens
A
an organism or substance that can cause a disease
5
Q
white blood cells
A
blood cells that fight infection and help prevent the growth of cancer
6
Q
allergy
A
an unusually high sensitivity to a substance, which causes an immune reaction
7
Q
vaccine
A
a special version of an antigen that provides immunity against a disease
