Ch 12 Notes: The Lymphatic System

Front

What is the primary function of the lymphatic system?

Back

The primary function of the lymphatic system is to remove excess fluid from tissues, absorb and transport fats from the digestive system, and produce immune cells.

Front

What are lymph nodes?

Back

Lymph nodes are bean-shaped structures scattered throughout the body that filter lymph fluid and house immune cells.

Front

How do lymphatic vessels compare to veins?

Back

Lymphatic vessels have a structure similar to veins, as both have thin walls and valves to prevent backflow.

Front

What is the structure of lymph capillaries?

Back

Lymph capillaries are thin-walled and have flaps that allow interstitial fluid to enter.

Front

What type of leukocytes are produced in the lymphatic system?

Back

Lymphocytes are the type of leukocytes produced in the lymphatic system.

Front

What role do lymphatic vessels play in the body?

Back

Lymphatic vessels transport lymph fluid, which contains immune cells and waste products, back to the bloodstream.

Front

What is the significance of the spleen in the lymphatic system?

Back

The spleen filters blood, removes old or damaged blood cells, and helps produce lymphocytes.

Front

What is interstitial fluid?

Back

Interstitial fluid is the fluid that surrounds tissue cells and is collected by lymphatic capillaries.

Front

How does the lymphatic system contribute to the immune response?

Back

The lymphatic system transports lymphocytes and other immune cells to sites of infection, enhancing the body's immune response.

Front

What is the difference between active and passive immunity?

Back

Active immunity is developed through exposure to pathogens or vaccination, while passive immunity is acquired through antibodies from another source.