Question

An infection in the body might result in a sudden(1) decrease in the activity of antigens producedby the mitochondria(2) decrease in the amount of DNA present inthe nuclei of cells(3) increase in the activity of white blood cells(4) increase in the number of red blood cells

Answer 1

3. Increase in activity of WBCs. WBCs are the defenders of our bodies. They attack foreign bodies and help us develop immunity.