Lymphatic System Flashcards
Which cells produce antibodies?
B cells
which cells provide cell-mediated immunity?
t cells
Which cells provide immune surveillance and attacks viruses and cancer cells?
NK cells
Where are B cells and T cells produced?
bone marrow
Where do T cells mature?
in the thymus
Where do B cells mature?
in the bone marrow
What is the largest lymph organ?
spleen
the right lymphatic duct drains what part of the body?
the right head and arm
the majority of lymph drains through what duct?
the thoracic duct
does the spleen filter lymph?
no it only filters blood
What does the red pulp of the spleen do?
recycles old red blood cells
what does the white pulp of the spleen do?
acts like a lymph node, removes antigens from the blood
When is the thymus most active in life?
early childhood and then shrinks after puberty
which T cells attack viruses?
cytotoxic t cells
What are the 2 types of T cells?
- cytotoxic t cells (these do the attacking)
2. regulatory 2 cells (include helper and suppressor T cells)