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 vein is the exception and carries oxygenated blood from the lungs back to the heart?

Superior vena cava

Jugular vein

Inferior vena cava

Pulmonary vein

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Verified step by step guidance

Step 1: Understand the general function of veins in the circulatory system. Veins typically carry deoxygenated blood from the body back to the heart, except for one notable exception.

Step 2: Recall the pulmonary circulation process. Blood is oxygenated in the lungs and needs to return to the heart to be pumped to the rest of the body.

Step 3: Identify the vein responsible for transporting oxygenated blood from the lungs to the heart. This vein is the pulmonary vein, which is unique among veins because it carries oxygen-rich blood.

Step 4: Compare the pulmonary vein to other veins listed in the options. The superior vena cava, jugular vein, and inferior vena cava all carry deoxygenated blood back to the heart, unlike the pulmonary vein.

Step 5: Conclude that the pulmonary vein is the exception among veins, as it carries oxygenated blood from the lungs to the left atrium of the heart.