The condition in which there is a DECREASE in the number of white blood cells in humans is known as: a) leukocytosis b) leukopenia c) leukemia d) leukohyperia
option B. A low white blood cells count (leukopenia) is a lower in disease-preventing cells (leukocytes) for your blood. Leukopenia is nearly continually associated with a lower in a sure kind of white blood mobileular (neutrophil).