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Ch. 20 The Lymphatic System and Immunity
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경
20장, 문제 2a

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Lymphatic vessels constitute a one-way system that delivers interstitial fluid from the blood vessels to the extracellular space.

검증된 단계별 안내
1
Step 1: Analyze the statement provided. The statement claims that lymphatic vessels constitute a one-way system delivering interstitial fluid from blood vessels to the extracellular space. Break this down into two parts: (a) the one-way system and (b) the direction of fluid movement.
Step 2: Recall the function of lymphatic vessels. Lymphatic vessels are indeed a one-way system, but their primary role is to collect interstitial fluid (lymph) from the extracellular space and return it to the bloodstream, not the other way around.
Step 3: Identify the error in the statement. The direction of fluid movement described in the statement is incorrect. Lymphatic vessels do not deliver interstitial fluid from blood vessels to the extracellular space; instead, they collect interstitial fluid from the extracellular space and transport it back to the circulatory system.
Step 4: Correct the false statement. The corrected version should read: 'Lymphatic vessels constitute a one-way system that collects interstitial fluid from the extracellular space and returns it to the bloodstream.'
Step 5: Confirm the accuracy of the corrected statement by reviewing the anatomy and physiology of the lymphatic system, ensuring the corrected statement aligns with its function of maintaining fluid balance and immune defense.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Lymphatic System

The lymphatic system is a network of vessels and organs that plays a crucial role in maintaining fluid balance in the body. It collects excess interstitial fluid from tissues and returns it to the bloodstream, helping to prevent edema. This system also transports lymph, a fluid containing immune cells, which is essential for the body's defense against pathogens.
추천 영상:
3:57
Functions of the Lymphatic System

Interstitial Fluid

Interstitial fluid is the fluid that surrounds tissue cells, providing them with nutrients and a medium for waste exchange. It is derived from blood plasma and is crucial for cellular function. The lymphatic system collects this fluid, which, if not drained, could lead to swelling and impaired tissue function.
추천 영상:
가이드 코스
3:33
Serous Cavity and Fluid

One-Way System

The lymphatic vessels operate as a one-way system, meaning they transport lymph fluid in a single direction—toward the heart. This is facilitated by valves within the vessels that prevent backflow. Understanding this concept is essential for recognizing how lymphatic drainage contributes to overall fluid homeostasis in the body.
추천 영상:
가이드 코스
5:08
Functions of the Digestive System