Lympathic system Flashcards
(25 cards)
How does this system contribute to homeostasis???
-EXCESS TISSUE FLUID is returned to bloodstream
-FATS are absorbed from G.I tract and then returned to your blood stream
-PROTECTS against diseases
How many ways does the lympathic system have?
1 WAY
Describe lymoathic capilaries
-Closed ended
-thin, one cell thick
-lead into larger lympathic vessels
What are large lympathic vessels similar to?
Veins
What do lympathic vessels contain?
-Valves
-Skeletal muscles
Where does the large lyoathic vessels carry lymph to?
-Your lympathc ducts
Name the two lymoathic ducts.
-Thoracic duct
-Right lymoathic duct
What is found within your lympathic vessels???
Your LYMPH!!
What does your lymph contain?
-Interstitial fluid
What is interstitial fluid?
-Derived from your PLASMA and continuously bathes your bodys cells.
Where does intersitial fluid go?
-Either reabsorbed back into your bloodstream or usually it gets reabsorbed into your lymoathic veseels.
Does lymph every return to your circulatory system? Explain.
YES! Evetnually through ducts then your left and right subclavian veins@!!!
Localized swelling caused by accumulation of fluids in the tissues.
Edema
What is apart of your primary lymoathic organs?
-Bone marrow
-Thymus gland
What does your Bone Marrow do?
-produce ALLL BLOOD CELLS
-MATURE B CELLS
What does your Thymus Gland do?
-MATURE T CELLS
What is part of your secondary pympathic system??
-Spleen
-Lymph nodes
what does your spleen do?
Cleanses your blood of infected cells and hold excess blood
what do your lymph nodes do?
-STORE WBC
-CLEANSE LYMPH
What happens to lymph nodes when youre sick
Enlarged lymoh nodes due to rapid DIVIDING of white blood cells
Ohter words for blood cells
Tissue cells or mast cells
This is the type of immunity that functions without previous exposure to pathogens or unanted molecules.
Innate/ non sepcific immunity
Acquired immunity
Dependant upon exposure to a specific antigen
Molecule that stimulates an immune response
Antigen