Answer:
Leukocytosis
Step-by-step explanation:
Leukocytosis refers to the condition when there is an abrupt increase in the number of leukocytes above the normal range. It occurs during infection, entry of pathogens in the body, surgery, strenuous physical activity. Hence, leukocytosis is the manifestation of certain conditions of the body but is not a functional feature of the leukocytes.