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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

The lymphatic ducts empty into which of the following structures?

Aorta

Subclavian veins

Superior vena cava

Pulmonary arteries

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Verified step by step guidance

Step 1: Begin by understanding the function of the lymphatic system. The lymphatic system is responsible for returning excess interstitial fluid and proteins to the bloodstream, as well as transporting lymphocytes and other immune cells.

Step 2: Recall the anatomy of the lymphatic ducts. The two main lymphatic ducts are the right lymphatic duct and the thoracic duct. These ducts collect lymph from different regions of the body.

Step 3: Identify where the lymphatic ducts empty. Both the right lymphatic duct and the thoracic duct drain lymph into the venous system at the junction of the subclavian veins and internal jugular veins.

Step 4: Compare the options provided in the question. The aorta, superior vena cava, and pulmonary arteries are not directly involved in the lymphatic drainage process. The subclavian veins are the correct structures where lymphatic ducts empty.

Step 5: Conclude that the correct answer is 'Subclavian veins' based on the anatomical relationship between the lymphatic ducts and the venous system.