The Lymphatic System

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What is the lymphatic system?

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The lymphatic system is a network of vessels and organs that helps maintain fluid balance in the body, absorbs fats from the digestive system, and plays a crucial role in the immune system.

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NGSS.HS-LS1-3

Front

What is lymph?

Back

Lymph is a clear fluid that is collected by the lymphatic system, containing white blood cells, proteins, and waste products.

Front

What is the main function of lymph nodes?

Back

Lymph nodes filter lymph fluid and remove pathogens and dead cells, helping to protect the body from infection.

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What role does the thymus play in the lymphatic system?

Back

The thymus is the main gland of the lymphatic system that produces mature T lymphocytes, which are essential for the immune response.

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How does the lymphatic system interact with the cardiovascular system?

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The lymphatic system collects excess fluid from tissues and returns it to the bloodstream, maintaining fluid balance and supporting the cardiovascular system.

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What are tonsils?

Back

Tonsils are masses of lymphatic tissue located in the throat that help trap pathogens entering through the mouth and nose.

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What is the spleen's function in the lymphatic system?

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The spleen filters blood, removes old or damaged blood cells, and helps fight infections by producing white blood cells.

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What is the difference between lymph and blood?

Back

Lymph is a clear fluid collected by the lymphatic system, while blood is a red fluid that circulates through the cardiovascular system, containing red blood cells, white blood cells, and platelets.

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What are the components of the lymphatic system?

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The lymphatic system includes lymphatic vessels, lymph nodes, the thymus, the spleen, and tonsils.

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What is the role of T lymphocytes?

Back

T lymphocytes are a type of white blood cell that play a key role in the immune response by attacking infected or cancerous cells.