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

2. Cell Chemistry & Cell Components

Introduction to the Cytoskeleton

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to the Cytoskeleton

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Multiple Choice

Which statement about intermediate filaments is NOT true?

Intermediate filaments are more stable than microtubules and microfilaments.

Intermediate filaments provide mechanical support to cells.

Intermediate filaments are composed of various proteins, such as keratins and vimentin.

Intermediate filaments are involved in cell motility.

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Verified step by step guidance

Understand the role of intermediate filaments: Intermediate filaments are part of the cytoskeleton, providing structural support and stability to cells. They are not primarily involved in cell motility, which is a function more associated with microfilaments and microtubules.

Review the composition of intermediate filaments: These filaments are composed of various proteins, including keratins, vimentin, and others, which contribute to their diverse functions in different cell types.

Compare stability: Intermediate filaments are known for their stability compared to other cytoskeletal components like microtubules and microfilaments. This stability is crucial for their role in maintaining cell integrity.

Evaluate mechanical support: Intermediate filaments play a key role in providing mechanical support to cells, helping them withstand stress and maintain their shape.

Identify the incorrect statement: Given the functions and characteristics of intermediate filaments, the statement that they are involved in cell motility is incorrect, as this is not their primary function.