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

19. The Blood Vessels

Introduction to Blood Vessels

Anatomy & Physiology

19. The Blood Vessels

Introduction to Blood Vessels

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Multiple Choice

The smallest venules are called ______ venules.

muscular

sinusoidal

arteriolar

postcapillary

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Verified step by step guidance

Step 1: Understand the structure and function of venules. Venules are small blood vessels that collect blood from capillaries and transport it to larger veins. They play a crucial role in the circulatory system.

Step 2: Learn about the types of venules. Venules can be classified into postcapillary venules, muscular venules, and larger venules based on their structure and function.

Step 3: Focus on postcapillary venules. These are the smallest venules and are located immediately after the capillaries. They are involved in the exchange of nutrients, gases, and waste products between blood and tissues.

Step 4: Compare postcapillary venules with other types. Muscular venules have a thicker wall with smooth muscle, while sinusoidal venules are found in specific organs like the liver and spleen, and arteriolar venules are not a recognized type.

Step 5: Conclude that the smallest venules are postcapillary venules, as they are directly connected to capillaries and are essential for microcirculation.