SYSTEM QUESTIONS AND ANSWERS
WITH VERIFIED SOLUTIONS 2024
Functions of lymphatic circulation - ANSWER Carries protein molecules and other substances back to the
blood. Fat transport and assists in immunity.
Artificial active immunity - ANSWER Vaccines like the flu shot
Artificial passive immunity - ANSWER Injection of antibodies to a person
Natural active immunity - ANSWER When someone sick coughs on another person, and they catch the
same infection
Natural passive immunity - ANSWER mother to baby through placenta, or breast feeding
Where T cells mature - ANSWER thymus
Where B cells mature - ANSWER red bone marrow and liver
Location of the thymus - ANSWER in the mediastinum between the sternum and aorta.
Peyer's patches - ANSWER the numerous areas of lymphoid tissue in the wall of the small intestine that
are involved in the development of immunity to antigens present there.
right lymphatic duct - ANSWER Drains lymph from the right upper extremity and right side of head, neck
and upper torso.
thoracic (left lymphatic) duct - ANSWER Largest lymphatic vessel. Drains lymph from about three fourths
of the body.