Question

Explain the roles of (i) primary, and (ii) secondary lymphoid organs that are responsible for developing defence to combat the action of…

Accepted Answer

(i) Origin and /or Proliferation and maturation of lymphocytes / the immature lymphocytes differentiate into antigen sensitive lymphocytes/ provide micro environment for development and maturation of Tlymphocytes. Traps the microorganisms (antigens) and activate the lymphocytes that then proliferate to become effector cells (cause immune response) / provides site for interaction of lymphocytes with antigens Tonsils are secondary lymphoid organs / trap the antigen (pathogen) which then activate the mature lymphoid organs to become effector cells/ provides site for interaction of lymphocytes with antigens

(a)
Explain the roles of (i) primary, and (ii) secondary lymphoid organs that are responsible for developing defence to combat the action of pathogens/foreign antigens which enter our body.
(b)
Doctors generally advise not to undergo surgery of tonsils. Why ?

Marking-scheme solution

More from Human Health and Disease

(a)Explain the roles of (i) primary, and (ii) secondary lymphoid organs that are responsible for developing defence to combat the action of pathogens/foreign antigens which enter our body.(b)Doctors generally advise not to undergo surgery of tonsils. Why ?

Marking-scheme solution

More from Human Health and Disease

(a)
Explain the roles of (i) primary, and (ii) secondary lymphoid organs that are responsible for developing defence to combat the action of pathogens/foreign antigens which enter our body.
(b)
Doctors generally advise not to undergo surgery of tonsils. Why ?