White blood cells that fight infections and respond to inflammation are called leukocytes. The correct option is d.
What are white blood cells?
The immune system's cells are called white blood cells. These cells aid in the defense against illnesses and infections. Granulocytes, monocytes, and lymphocytes are several subtypes of white blood cells (T cells and B cells).
White blood cells called leukocytes react to symptoms and fight off invaders.
Thus, the correct option is d. leukocytes, regarding white blood cells that fight infections.
Learn more about white blood cells, here:
https://brainly.com/question/9960137
#SPJ2
