Question 2:  Respond to the following with the key choices of epithelial tissue types listed in the columns.7 points

To effectively respond to the question regarding the key choices of epithelial tissue types, I will provide a brief overview of the different types of epithelial tissues and their characteristics.

Key Types of Epithelial Tissue

1. Simple Squamous Epithelium

   • Description: Flat, thin cells; allows for easy diffusion and filtration.
   • Location: Alveoli of lungs, blood vessels.

2. Simple Cuboidal Epithelium

   • Description: Cube-shaped cells; involved in secretion and absorption.
   • Location: Kidney tubules, glands.

3. Simple Columnar Epithelium

   • Description: Tall, column-like cells; often have microvilli or cilia for absorption and movement.
   • Location: Lining of the stomach and intestines.

4. Stratified Squamous Epithelium

   • Description: Multiple layers of cells; provides protection against abrasion.
   • Location: Skin, esophagus.

5. Pseudostratified Columnar Epithelium

   • Description: Appears layered due to differing cell heights; involved in secretion, often with cilia.
   • Location: Lining of the respiratory tract.

6. Transitional Epithelium

   • Description: Can stretch and change shape; accommodates fluctuating volumes of liquid.
   • Location: Urinary bladder.

These epithelial tissue types are critical in various functions, including protection, absorption, and secretion, within the body.