The basis of the immune system is:
A) direct cell-to-cell contact.
B) distinguishing between self and nonself.
C) communicating between cells.
D) producing antibody action.
E) attacking invading objects.

Question

Quizplus · Accepted Answer

The basis of the immune system is its ability to distinguish between self and nonself, allowing it to target and eliminate foreign pathogens without harming the body's own cells.

The Basis of the Immune System Is