Understanding the Lymphatic System

What is the primary function of the lymphatic system?

• To transport hormones

• To produce red blood cells

• To return excess fluid to the bloodstream

• To regulate body temperature

Tags

NGSS.HS-LS1-3

What is lymph primarily composed of?

• Platelets

• White blood cells

• Plasma proteins and interstitial fluid

• Red blood cells

How do lymphatic capillaries differ from blood capillaries in terms of permeability?

• Not permeable at all

• More permeable

• Equally permeable

• Less permeable

What triggers the entry of fluid into lymphatic capillaries?

• Loose connections of endothelial cells

• Muscular contractions

• Gravitational force

• High blood pressure

What role do lymph nodes play in the immune system?

• Regulate blood pressure

• Store blood

• Filter lymph and activate immune responses

• Produce hormones

How does lymph move through the lymphatic system?

• Via active transport

• Through pressure changes and valves

• Via a dedicated pump

• Through osmotic pressure

What is the main function of lymphatic trunks?

• To filter lymph

• To drain lymph from various body regions

• To store lymph

• To produce lymph

What is the primary function of lymph nodes?

• To circulate lymph

• To store lymph

• To produce lymph

• To cleanse the lymph

What is the role of macrophages in lymph nodes?

• To produce lymphocytes

• To regulate lymph flow

• To destroy pathogens

• To produce antibodies

What are the two main components of the spleen?

• Red marrow and yellow marrow

• Red pulp and white pulp

• Cortex and medulla

• White pulp and black pulp