What feature of the skin creates a physical barrier to microbial invasion?
A) The fine hairs move microbes to mucous membranes for phagocytosis.
B) The outer layers are composed of cells full of protein which forms NETs to trap microbes until they are shed.
C) The oil secreted onto the surface of the skin traps microbes, preventing penetration.
D) The surface is constantly patrolled by phagocytic cells.
E) The outer layers are dead cells, tightly linked together, and are frequently shed.

Question

Quizplus · Accepted Answer

The outer layers of the skin are composed of dead cells that are tightly linked together, creating a physical barrier. These cells are frequently shed, which helps remove microbes from the skin's surface.

What Feature of the Skin Creates a Physical Barrier to Microbial