The amount of air that is moved into or out of the lungs during a single breath is called:

Leukocytes are the workhorses of the immune system and are produced in the:

a. pancreas. b. liver. c. intestines. d. bone marrow.

The medical term for a double row of eyelashes is:

A) buphthalmos B) distichia C) uveitis D) amblyopia