Lymphatic flashcard

Front

What is the thoracic duct?

Back

The thoracic duct is the largest lymphatic vessel in the body, responsible for draining lymph from the lower body and the left side of the upper body into the bloodstream.

Front

What are lymphatic capillaries?

Back

Lymphatic capillaries are small, thin-walled vessels that begin the lymphatic network, collecting excess interstitial fluid and transporting it as lymph.

Front

How do lymphatic vessels compare to veins?

Back

Lymphatic vessels are structurally similar to veins; both have thin walls and valves to prevent backflow, but lymphatic vessels carry lymph instead of blood.

Front

Where are the pharyngeal tonsils located?

Back

The pharyngeal tonsils, also known as adenoids, are located in the back of the nasal cavity.

Front

What is the function of subclavian trunks?

Back

Subclavian trunks are lymphatic vessels that receive lymph from the arms and drain it into the thoracic duct.

Front

What is lymph?

Back

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

Tags

NGSS.HS-LS1-3

Front

What role do lymph nodes play in the lymphatic system?

Back

Lymph nodes filter lymph and trap pathogens, playing a crucial role in the immune response.

Front

What are the primary functions of the lymphatic system?

Back

The lymphatic system is responsible for maintaining fluid balance, absorbing fats from the digestive system, and supporting the immune system.

Front

What is the difference between primary and secondary lymphoid organs?

Back

Primary lymphoid organs (like the bone marrow and thymus) are where lymphocytes are produced and mature, while secondary lymphoid organs (like lymph nodes and spleen) are where immune responses are initiated.

Front

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

Back

The spleen filters blood, removes old or damaged red blood cells, and helps initiate immune responses.