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

20. The Lymphatic System

Introduction to the Lymphatic System

Anatomy & Physiology

20. The Lymphatic System

Introduction to the Lymphatic System

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Multiple Choice

Lymph is eventually returned to the circulation at which blood vessels?

Jugular veins

Carotid arteries

Aorta

Subclavian veins

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Verified step by step guidance

Step 1: Understand the role of the lymphatic system in returning interstitial fluid (lymph) to the circulatory system. The lymphatic system collects excess fluid from tissues and transports it back to the bloodstream to maintain fluid balance.

Step 2: Recall the anatomy of the lymphatic system. Lymphatic vessels transport lymph to larger lymphatic ducts, such as the thoracic duct and the right lymphatic duct, which are responsible for draining lymph into specific blood vessels.

Step 3: Identify the blood vessels involved in lymph return. The thoracic duct drains lymph into the left subclavian vein, while the right lymphatic duct drains lymph into the right subclavian vein. These veins are located near the junction of the subclavian and internal jugular veins.

Step 4: Eliminate incorrect options based on anatomical knowledge. The jugular veins primarily drain blood from the head and neck, the carotid arteries carry oxygenated blood to the brain, and the aorta is the main artery carrying blood from the heart to the body. None of these are involved in lymph return.

Step 5: Conclude that the subclavian veins are the correct blood vessels where lymph is returned to the circulation, as they are directly connected to the lymphatic ducts.