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 Eukaryotic Organelles

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

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Multiple Choice

The central (Haversian) canal that runs through the core of each osteon is the site of which of the following?

Bone marrow production

Calcium salt deposition

Osteocyte storage

Blood vessels and nerves

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Verified step by step guidance

Understand the structure of an osteon: An osteon is the fundamental functional unit of compact bone. It consists of concentric lamellae (layers of bone matrix) surrounding a central canal, also known as the Haversian canal.

Identify the function of the Haversian canal: The Haversian canal runs longitudinally through the center of each osteon and serves as a passageway for blood vessels and nerves, which are essential for nutrient delivery and waste removal in bone tissue.

Eliminate incorrect options: Bone marrow production occurs in the medullary cavity of long bones, not in the Haversian canal. Calcium salt deposition happens in the bone matrix, not in the canal. Osteocytes are stored in lacunae, small spaces within the lamellae, not in the Haversian canal.

Confirm the correct answer: The Haversian canal is specifically the site for blood vessels and nerves, which support the metabolic needs of the bone tissue.

Relate the concept to broader physiology: Blood vessels in the Haversian canal ensure the bone remains a living tissue by providing oxygen and nutrients, while nerves contribute to sensory functions, such as detecting damage or stress in the bone.