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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 of the following are components of the extracellular matrix found in connective tissue?

Actin filaments, myosin filaments, and cytoplasm

Collagen fibers, elastic fibers, and ground substance

Keratin, melanin, and hemoglobin

Cholesterol, phospholipids, and triglycerides

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Verified step by step guidance

Understand that the extracellular matrix (ECM) is a network of non-living tissue that provides support to cells in connective tissue.

Identify the key components of the ECM, which include structural proteins, specialized proteins, and proteoglycans.

Recognize that collagen fibers are the most abundant protein in the ECM, providing tensile strength.

Note that elastic fibers allow tissues to resume their shape after stretching or contracting, contributing to elasticity.

Understand that the ground substance is a gel-like material in the ECM that fills the space between fibers and cells, facilitating nutrient and waste exchange.