The correct response is:
white blood cells
White blood cells are responsible for fighting infections, including those caused by viruses.
Human Circulatory System Quiz
3 of 53 of 5 Items
Question
If you catch a cold, which component of blood do you rely on to help attack the virus that has invaded your blood stream?
(1 point)
Responses
plasma
plasma
red blood cells
red blood cells
white blood cells
white blood cells
platelets
1 answer