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

Cell Junctions

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Cell Junctions

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Multiple Choice

What type of cell junctions are primarily found in cardiac muscle tissue?

Desmosomes

Tight junctions

Adherens junctions

Gap junctions

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Verified step by step guidance

Understand the function of cardiac muscle tissue: Cardiac muscle tissue is responsible for the contraction of the heart, allowing it to pump blood throughout the body. This requires synchronized contraction of muscle cells.

Learn about cell junctions: Cell junctions are structures that connect cells to each other, allowing communication and structural support. Different types of junctions serve different purposes.

Explore gap junctions: Gap junctions are specialized connections that allow direct communication between cells. They enable the passage of ions and small molecules, facilitating rapid and coordinated responses.

Identify the role of gap junctions in cardiac muscle: In cardiac muscle tissue, gap junctions are crucial for the synchronized contraction of heart muscle cells. They allow electrical impulses to pass quickly from one cell to another, ensuring the heart beats as a unit.

Compare with other junctions: While desmosomes, tight junctions, and adherens junctions have their roles in providing structural integrity and selective permeability, gap junctions are specifically important for electrical coupling in cardiac muscle tissue.