18 Questions
What is the main function of the lymphatic system?
To drain body fluids and return them to the bloodstream
What causes the accumulation of fluid in the interstitial space?
Blood pressure
What term is used to describe interstitial fluid once it has entered the lymphatic system?
Lymph
How much of the 20 liters of plasma released into the interstitial space is reabsorbed directly by the blood vessels?
17 liters
What may result from the inappropriate accumulation of protein-rich interstitial fluid in the tissue spaces?
Lymphedema
Besides draining excess fluid, what other functions do lymphatic vessels serve?
Transporting immune system cells
What is the term used to describe the accumulation of protein-rich interstitial fluid in the tissue spaces?
Lymphedema
How much interstitial fluid is reabsorbed directly by the blood vessels from the 20 liters of plasma released into the interstitial space each day?
17 liters
What is the main function of lymphatic vessels besides draining excess fluid?
Transporting immune cells
What happens to the remaining three liters of interstitial fluid that is not reabsorbed directly by blood vessels?
It is drained by the lymphatic system.
Which system uses lymphatic vessels as convenient avenues for transporting dietary lipids and fat-soluble vitamins absorbed in the gut?
Digestive system
What term is used to describe interstitial fluid once it has entered the lymphatic system?
Lymph
What is the main function of the lymphatic system?
To carry excess fluids to the bloodstream and filter pathogens from the blood
What distinguishes lymphatic vessels from cardiovascular vessels in terms of pumping?
Valves keep lymph moving toward the heart
Where are lymph nodes commonly found in humans?
Near the groin, armpits, neck, chest, and abdomen
What role do lymph nodes play in the immune system?
They serve as staging areas for immune responses
How is lymph forced through lymphatic vessels in humans?
Through muscle contractions and body movements
What is the function of one-way valves in lymphatic vessels?
To keep lymph moving toward the heart
Learn about the function of the lymphatic system in draining body fluids back to the bloodstream and the process of capillary filtration that causes fluid accumulation in tissues. Explore the movement of plasma from the bloodstream to the interstitial space.
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