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

Which of the following is the difference between interstitial fluid and lymph?

Lymph originates in lymphatic vessels, while interstitial fluid originates in arterioles.

Lymph is the term given to interstitial fluid once it has entered the lymphatic vessels.

Lymph contains erythrocytes, while interstitial fluid does not contain erythrocytes.

Lymph contains leukocytes, while interstitial fluid does not contain leukocytes.

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Verified step by step guidance

Understand the definitions: Interstitial fluid is the fluid that surrounds the cells in tissues, providing them with nutrients and a means of waste removal. Lymph is the fluid that circulates within the lymphatic system, which is derived from interstitial fluid.

Identify the process of fluid movement: Interstitial fluid is formed when blood plasma exits the capillaries and enters the tissue spaces. This fluid bathes the cells and eventually drains into the lymphatic vessels, becoming lymph.

Recognize the composition differences: Interstitial fluid and lymph are similar in composition, but lymph may contain additional components such as lymphocytes (a type of leukocyte) as it travels through the lymphatic system.

Clarify the role of lymphatic vessels: Lymphatic vessels collect interstitial fluid from tissues, filter it through lymph nodes, and return it to the bloodstream. This process helps maintain fluid balance and plays a role in immune function.

Evaluate the given options: The correct distinction is that lymph is the term given to interstitial fluid once it has entered the lymphatic vessels. This highlights the transition from interstitial fluid to lymph as it enters the lymphatic system.