List two structural properties of epithelial tissue.

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Epithelial Tissue:**
- Epithelial tissues are specialized tissues that cover the outer surfaces of the body, line organs, and form the lining of body cavities and blood vessels.

2. **Types of Epithelial Tissue:**
- There are three main types of epithelial tissues:
- Squamous epithelial tissue
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