Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

4. Tissues & Histology

Introduction to Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Epithelial Tissue

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Multiple Choice

The mucous membranes that are lined by simple epithelia perform the functions of __________.

support and movement

absorption and secretion

generation of electrical impulses

protection against abrasion

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Verified step by step guidance

Understand the structure and function of mucous membranes: Mucous membranes are epithelial tissues that line body cavities and hollow organs exposed to the external environment, such as the respiratory, digestive, and urogenital tracts. They are typically moist due to the secretion of mucus.

Identify the type of epithelium mentioned: Simple epithelia consist of a single layer of cells, which makes them specialized for processes like absorption and secretion rather than protection against abrasion or mechanical stress.

Analyze the functions of simple epithelia: Simple epithelia are thin and allow for efficient exchange of substances, such as nutrients, gases, and secretions. This makes them ideal for absorption (taking in substances) and secretion (releasing substances like mucus).

Eliminate incorrect options: Support and movement are functions of connective tissues and muscles, not simple epithelia. Generation of electrical impulses is a function of nervous tissue, not epithelial tissue. Protection against abrasion is typically performed by stratified epithelia, not simple epithelia.

Conclude the correct answer: Based on the structure and function of simple epithelia, the mucous membranes lined by these tissues perform absorption and secretion as their primary functions.