Question

what is the main function of the immune system?
a. to stimulate the formation of disease - fighting enzymes
b. to recognize and attack disease - causing organisms
c. to alert other systems in the body of foreign cells
d. to maintain a constant flow of blood to wounds

Explanation:

The immune system's main role is to recognize and eliminate disease - causing organisms (pathogens) to protect the body from infections and diseases. It does not primarily stimulate the formation of disease - fighting enzymes, alert other systems about foreign cells as its main function, or maintain blood flow to wounds.

Answer:

B. to recognize and attack disease - causing organisms