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 Heart2h 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

Connective Tissue Proper: Loose Connective Tissue

Anatomy & Physiology

4. Tissues & Histology

Connective Tissue Proper: Loose Connective Tissue

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Multiple Choice

What part of areolar tissue allows it to protect against infection?

Fibroblasts.

Fibrocytes.

Adipocytes.

Macrophages.

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Verified step by step guidance

Understand the function of areolar tissue: Areolar tissue is a type of loose connective tissue that provides support and flexibility to various organs and tissues. It contains a variety of cells and fibers that contribute to its functions.

Identify the role of macrophages: Macrophages are a type of white blood cell found within areolar tissue. They play a crucial role in the immune system by engulfing and digesting pathogens, dead cells, and other debris.

Compare macrophages with other cells in areolar tissue: While fibroblasts, fibrocytes, and adipocytes are present in areolar tissue, they serve different functions. Fibroblasts and fibrocytes are involved in producing and maintaining the extracellular matrix, while adipocytes store fat.

Recognize the protective function of macrophages: Macrophages are essential for protecting against infection due to their ability to identify and destroy harmful microorganisms. This phagocytic activity is a key aspect of the immune response.

Conclude why macrophages are the correct answer: Given their role in immune defense, macrophages are the part of areolar tissue that allows it to protect against infection, distinguishing them from other cell types present in the tissue.