The epidermis is responsible for protecting the body against the invasion of bacteria and other foreign agents primarily because it is composed of ________.
A) stratified columnar epithelium
B) three layers of keratinized cells only
C) four different cell shapes found in five distinct layers, each cell shape with a special function
D) a tough layer of connective tissue
Answer: C) four different cell shapes found in five distinct layers, each cell shape with a special function