Why are you doing procedures you know nothing about?
Genetics of course :D
Be sure to give me a thanks and rate me up <span />
White blood cells are an important component of your blood system, which is also made up of red blood cells, platelets, and plasma.
Click to Enlarge
Although your white blood cells account for only about 1% of your blood, their impact is significant. White blood cells, also called leukocytes, are essential for good health and protection against illness and disease.
Answer:
B the one thats starts with reviewing
Explanation: