Chapter 39 - Physiology, Homeostasis, and Temperature Regulation - 39.2 - Physiological Systems Maintain Homeostasis of the Internal Environment - 39.2 Recap - Learning Outcomes - Page 829: 1

Epithelial cells must form the shape of a dense sheet because skin must be both tough and flexible. The thinness of skin allows the organism to sweat and cool down properly and minimize overheating. The density offers the organism a protective layer against both physical wounds and diseases.

Epithelial cells must form the shape of a dense sheet because skin must be both tough and flexible. The thinness of skin allows the organism to sweat and cool down properly and minimize overheating. The density offers the organism a protective layer against both physical wounds and diseases.