Answer the following question given this paragraph: 

The chemicals that trigger an inflammatory response attract leukocytes to the site of injury or infection. Leukocytes are white blood cells. Their role is to fight infections and get rid of debris. Leukocytes may respond with either a nonspecific or a specific defense.


Q: What color are leukocytes blood cells?

 Choices:

- blue

- black

- red

- white

A:
white
