How Many Types of Circulating Leukocytes are There?

Question

How many types of circulating leukocytes are there?​
A)​3
B)4
C)5
D)6
E)​7

Accepted Answer

There are 5 types of circulating leukocytes, which include neutrophils, lymphocytes, monocytes, eosinophils, and basophils.

How many types of circulating leukocytes are there?​