Question

In the skin, the epidermis can be compared to which of the following?

a. A wall that protects a country from invaders
b. A ship that transports cargo
c. A telephone line used to communicate information
d. A switch that turns a light on

Answer 1

A) A wall that protects a country from invaders

The epidermis layer provides a barrier to infection from environmental pathogens and regulates the amount of water released from the body into the atmosphere through transepidermal water loss.