Question 18 • Health Science Concepts A1 – EDGNTY-83861 26-27
Skin is the main barrier between internal organs and the outside environment. The outer layer of skin is composed mostly of epithelial cells. Which is a characteristic of epithelial cells that makes them ideal for providing this type of protection?
Answer
A
The cells are packed tightly together.
B
The cells are surrounded by a lot of extracellular matrix.