Final answer:
Epithelial sheets are layers of tightly joined cells that cover and line various parts of the body.
Step-by-step explanation:
Yes, the statement is true. Epithelial sheets are layers of closely packed cells that cover and line various parts of the body. They form the surface of the skin, line body cavities and tubes, and cover internal organs. Epithelial tissue plays important roles in protection, absorption, secretion, and transportation in the body.