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

Characteristics of Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Characteristics of Epithelial Tissue

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Multiple Choice

Which of the following is NOT true of epithelial cells?

They have a high rate of regeneration.

They are tightly packed with minimal extracellular matrix.

They are vascular and contain blood vessels.

They have a free surface exposed to the environment or an internal space.

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Verified step by step guidance

Understand the characteristics of epithelial cells. Epithelial cells are known for their high rate of regeneration, which allows them to quickly repair and replace damaged cells.

Recognize the structural organization of epithelial cells. They are tightly packed together with minimal extracellular matrix, which helps form protective barriers.

Identify the exposure of epithelial cells. They have a free surface that is exposed either to the external environment or to an internal space within the body, such as the lumen of the intestine.

Clarify the vascular nature of epithelial cells. Epithelial tissues are avascular, meaning they do not contain blood vessels. Instead, they receive nutrients through diffusion from underlying connective tissues.

Determine the incorrect statement. Based on the characteristics of epithelial cells, the statement 'They are vascular and contain blood vessels' is not true, as epithelial tissues are avascular.