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If epithelial cells are classified accor...

If epithelial cells are classified according to their function, the classes would include those involved with :

A

support, transport, storage

B

defense, support, storage

C

lining, covering, secreting

D

protection, defense, transport

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### Step-by-Step Solution: 1. **Understanding Epithelial Cells**: - Epithelial cells are specialized cells that form the epithelium, which is a tissue that covers the body surfaces and lines cavities and organs. 2. **Classification Based on Function**: - Epithelial cells can be classified based on their functions. The main classes include glandular epithelial cells and lining/covering epithelial cells. 3. **Glandular Epithelial Cells**: - Glandular epithelial cells are involved in secretion. They form glands that can be classified into: - **Exocrine glands**: These glands secrete substances through ducts (e.g., salivary glands). - **Endocrine glands**: These glands secrete hormones directly into the bloodstream. 4. **Lining and Covering Epithelial Cells**: - Lining epithelial cells are responsible for lining body cavities and organs, while covering epithelial cells form the outer layer of the skin and other surfaces. Their primary function is protection and providing a barrier. 5. **Evaluating Options**: - The question provides multiple options for functions of epithelial cells. - **Option A**: Support, transport, and storage - Incorrect. - **Option B**: Support and storage - Incorrect. - **Option C**: Lining, covering, and secreting - Correct. - **Option D**: Protection, defense, and transport - Incorrect. 6. **Conclusion**: - Based on the classification of epithelial cells according to their functions, the correct answer is **Option C: Lining, covering, and secreting**.
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