🔬Activity 2A: Epithelial Tissue
Epithelial tissue is a protective layer covering body surfaces and lining organs. It serves as a barrier against external threats and facilitates functions such as absorption and secretion. Examples include the skin epithelium and the lining of the digestive tract.

? Specimens Used: Frog Simple Squamous Epithelium, Human Cuboidal Epithelium, Frog Ciliated Epithelium, and Pseudo-stratified Columnar Epithelium