Humans have acquired immune system that produces antibodies to neutralise pathogens. Still innate immune system is present at the time of birth because it
A.
provides passive immunity
B.
is very specific and uses different macrophages
C.
produces memory cells for mounting fast secondary response
D.
has natural killer cells which can phagocytose and destroy microbes
Answer :
has natural killer cells which can phagocytose and destroy microbes
Releted MCQ Question on Zoology >> Human Health and Diseases
Releted Question 1
The infectious stage of Plasmodium that enters the human body is