Because the appendix is a narrow tube, it traps microorganisms from the digestive tract, and these microorganisms enter its wall and activate memory lymphocytes for long-term immunity. Another immune organ that traps microorganisms is the
A) thymus.
B) bone marrow.
C) palatine tonsil.
D) the spleen.

Question

Quizplus · Accepted Answer

The palatine tonsil traps microorganisms from the oral cavity and activates immune responses, similar to the appendix.

Because the Appendix Is a Narrow Tube, It Traps Microorganisms