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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 Connective Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Connective Tissue

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Multiple Choice

Which two structural proteins generally make up the bulk of the extracellular matrix in connective tissue?

Actin and myosin

Tubulin and laminin

Keratin and fibrin

Collagen and elastin

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Understand that the extracellular matrix (ECM) is a network of proteins and other molecules that provide structural and biochemical support to surrounding cells in connective tissue.

Recognize that structural proteins are crucial components of the ECM, providing strength, elasticity, and support.

Identify collagen as a major structural protein in the ECM, known for providing tensile strength and structural integrity to tissues.

Identify elastin as another key structural protein in the ECM, which allows tissues to resume their shape after stretching or contracting, providing elasticity.

Conclude that collagen and elastin are the two primary structural proteins that make up the bulk of the extracellular matrix in connective tissue, contributing to its strength and flexibility.