what are 3 functions of the lymphatic system?
absorption of fluid in small intestine
how much fluid is leaked from blood plasma into the tissues per day?
How much fluid does the lymphatic system drain from the tissues back into the circulation per day?
what material is absorbed in the small intestine into lymphatic vessels?
fat soluble materials
what the lymph organs?
spleen and thymus
What are the 6 structure that make up the lymphatic system?
lymph organs (spleen & thymus)
diffuse lymphoid tissue e.g. tonsils
What colour and consistency is lymph?
clear watery fluid
what does lymph transport?
plasma proteins that have leaked from capillaries back into the blood stream
large particles to be filtered and destroyed by lymph nodes
What does lymph contain and where does it originate from?
originates from red bone marrow
Where do lymph capillaries originate?
blind ending tubes in interstitial space
How to large lymph vessels prevent back flow?
how is lymph moved along the large vessels?
muscles rhythmically contracts
Where do the large lymph vessels eventually join?
They join to form 2 ducts which empty the lymph into the subclavian veins
What veins do is the lymph emptied into?
Where is lymph drained through?
what do lymph nodes do?
destroys damaged and foreign tissue cells by marcophages and antibodies known as phagocytosis
What are the two lymph organs?
What is the largest lymph organ?
What does the spleen contain?
lymphocytes and macrophages
What do lymphocytes and macrophages do in the spleen?
destroy old/damaged erythrocytes
how much blood does the spleen store?
What does the thymus gland do?
What do lymphoid tissues contain?
lymphocytes to allow early detection of antigens
What does an antigen cause?
stimulates the body's immunological response