The lymphatic system and immunity, B cells and T cells

What is the primary function of the lymphatic system?
Transporting oxygen to cells
Regulating body temperature
Filtering waste from the blood
Fighting infection
Which of the following are types of lymphocytes involved in the immune response?
B cells
T cells
Red blood cells
Platelets
Neutrophils
What is the role of B cells in the immune response?
Which of the following is NOT a function of the spleen?
Filtering blood
Storing red blood cells
Producing lymphocytes
Regulating blood pressure
How do T cells recognize infected or abnormal cells?
By binding to antigens presented on the cell surface
By releasing antibodies
By engulfing the cells
By secreting cytokines
Which of the following is a primary lymphoid organ?
Thymus
Spleen
Lymph nodes
Tonsils
What is the function of natural killer (NK) cells in the immune system?
Which of the following is NOT a secondary lymphoid organ?
Lymph nodes
Tonsils
Appendix
Peyer's patches
How do antibodies help in the immune response?
By neutralizing pathogens
By activating complement proteins
By promoting phagocytosis
By directly killing infected cells
What is the role of memory cells in the immune system?
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