Question

The three lines of defense your body has against disease include all except
(1 point)
Responses

physical and chemical defenses.
physical and chemical defenses.

inflammation.
inflammation.

immune system.
immune system.

scarring.

Answer 1

scarring.

Answer 2

True or False:

B cells and H cells are two important cells in the immune system that help fight infection.

(1 point)
Responses

true
true

false