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

Which type of blood vessels handle the highest blood pressure?

Veins

Capillaries

Venules

Arteries

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Verified step by step guidance

Step 1: Understand the function of arteries in the circulatory system. Arteries are blood vessels that carry oxygenated blood away from the heart to the tissues of the body. They are designed to handle high-pressure blood flow generated by the heart's pumping action.

Step 2: Compare the structure of arteries to other blood vessels. Arteries have thick, elastic walls composed of smooth muscle and connective tissue, which allow them to withstand and regulate high blood pressure. Veins, capillaries, and venules have thinner walls and are not designed for high-pressure blood flow.

Step 3: Recognize the role of the heart in generating blood pressure. When the heart contracts (systole), it forces blood into the arteries, creating the highest pressure in the circulatory system. This pressure decreases as blood moves through smaller vessels like capillaries and veins.

Step 4: Analyze why veins, capillaries, and venules do not handle high blood pressure. Veins return blood to the heart under low pressure, capillaries facilitate nutrient and gas exchange at low pressure, and venules are small vessels that collect blood from capillaries and direct it to veins.

Step 5: Conclude that arteries are the type of blood vessels that handle the highest blood pressure due to their proximity to the heart and their structural adaptations for high-pressure blood flow.