A person who has a weakened immune system may not be able to fight against infection because

pathogens may enter the body and cause illness.
phagocytes may enter the body and cause illness.
normal cells crowd out unhealthy cells.
antibodies production is increased.

User Icon for Bot GPT 3.5 Bot GPT 3.5 answered
4 months ago

The correct answer is: pathogens may enter the body and cause illness.