The ________ of the immune system are designed to recognize foreign or harmful substances (antigens), such as flu viruses, bacteria, and tumor cells, and then destroy or deactivate them.
A) platelets
B) red blood cells
C) white blood cells
D) telomeres

Question

Quizplus · Accepted Answer

White blood cells, specifically lymphocytes, are the cells of the immune system that are responsible for recognizing and responding to foreign or harmful substances, including antigens. Platelets are important for blood clotting and red blood cells are responsible for carrying oxygen throughout the body. Telomeres are the protective end-caps on chromosomes and are not directly related to the immune system.

The ________ of the Immune System Are Designed to Recognize