Acidity in Human Urine is an Example Of

Question

Acidity in human urine is an example of
A) cell-mediated immune responses.
B) antibody activation.
C) acquired immunity.
D) adaptive immunity.
E) innate immunity.

Accepted Answer

Acidity in human urine is a form of innate immunity, which is the non-specific defense mechanism of the body against pathogens. Innate immunity includes physical barriers (such as skin), chemical barriers (such as acidity in body fluids), and immune cells (such as phagocytes).