Helpful Bacteria That Produce Lactic Acid Would Be a Defense

Question

Helpful bacteria that produce lactic acid would be a defense found in which part of the body?
A) female reproductive tract
B) stomach
C) skin
D) urinary tract
E) respiratory tract

Accepted Answer

Helpful bacteria that produce lactic acid are found in the female reproductive tract and help maintain a healthy pH level and prevent the overgrowth of harmful bacteria.