White blood cells also called leukocytes are the cells that help fight infection causing protection of the body against a disease or foreign substance. An example is a leukemia which then creates a large number of abnormal white blood cells.
Answer:
. A. Look at the microscopic structure of a tumor. = Anatomy
B.Measuring respiratory rate during sleep.= Physiology
C. Measuring blood pressure during exercise. = Physiology
D. Observe a lesion to see if the border is irregular. = Anatomy
Explanation:
<span>A hormone doesn't determine the gender. Chromosomes do. But the female hormones are estrogen and progesterone and the male is testosterone.</span>
