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

Which statement best characterizes the central canals of osteons in bone tissue?

They store calcium ions for bone mineralization.

They are the primary site of bone cell production.

They contain blood vessels and nerves that supply the bone.

They are filled with adipose tissue for energy storage.

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Verified step by step guidance

Step 1: Understand the structure of an osteon, which is the functional unit of compact bone. Osteons consist of concentric lamellae surrounding a central canal, also known as the Haversian canal.

Step 2: Recall the function of the central canal. It serves as a passageway for blood vessels and nerves, which are essential for supplying nutrients and oxygen to bone cells and removing waste products.

Step 3: Eliminate incorrect options based on anatomical knowledge: Calcium ions are stored in the bone matrix, not the central canal. Bone cell production occurs in the bone marrow, not the central canal. Adipose tissue for energy storage is found in yellow bone marrow, not the central canal.

Step 4: Confirm that the correct characterization of the central canal is that it contains blood vessels and nerves, which are vital for maintaining bone health and function.

Step 5: Review the importance of the central canal in the context of bone tissue, emphasizing its role in nutrient delivery and communication between bone cells.