The immune system retains the capacity to battle antigens by _______.

A) maintaining their antibodies in the bloodstream
B) increasing the amount of glucose absorbed by cells
C) increasing the production of red blood cells
D) regulating body temperature near the area of an injury

Immune System

The body's defense mechanism against pathogens, including various cells, tissues, and organs that fight infections and diseases.

Antigens

Substances that the body recognizes as foreign and that elicit an immune response, often found on the surface of pathogens like bacteria and viruses.

Glucose

A basic form of sugar that serves as a significant source of energy for living beings and is found in numerous carbohydrates.