24/3 immunity to disease

Question 1

Antibodies are found on…

Answer 1

…lymphocytes

Question 2

Antigens are found on…

Answer 2

…pathogens

Question 3

Explain how lymphocytes fight pathogens

Answer 3

Pathogen enters body
Lymphocyte attached to pathogen by attaching antibodies to the antigens which activates it
Multiplies and sends antibodies which attack and kill pathogen
If pathogen ever enters body again, memory lymphocytes remember it and fight the illness again