Question

question 20 (2 points) listen white blood cells participate in our immune defenses in many ways, including stimulating bacterial replication suppressing blood clotting the secretion of antigens into the blood the secretion of antibodies into the blood preventing viruses from entering the body

Explanation:

White blood cells are key immune - system cells. They secrete antibodies to fight infections. Antibodies bind to antigens and help in their destruction. They don't stimulate bacterial replication, suppress blood - clotting, secrete antigens, or prevent viruses from entering the body primarily in the ways described in other options.

Answer:

D. the secretion of antibodies into the blood