Which body region is protected by fatty acids, acidic pH, lactic acid, and a tough cell barrier with its own normal flora?
A)skin
B)respiratory tract
C)digestive tract
D)urinary tract
E)eyes

Question

Quizplus · Accepted Answer

The skin is protected by fatty acids, acidic pH, lactic acid, and a tough cell barrier called keratin. The normal flora of the skin also helps to protect against harmful pathogens. The respiratory tract has mucus and cilia as its main defense mechanisms, while the digestive tract has enzymes, bile, and stomach acid. The urinary tract has a low pH and urine flow to flush out pathogens. The eyes have tear production and natural antimicrobial agents.

Which Body Region Is Protected by Fatty Acids, Acidic PH