What organ is your first line of defense against pathogens?

Answer 1

The integumentary system (skin) and mucous membranes are the first line of defense. They provide a physical barrier against invasion of pathogens. Any break in this physical barrier, such as a cut, makes it easier for pathogens to enter your body.

Answer 2

skin breathing passages mouth and stomach barriers providing the first defense white blood cells and inflamitory response second life of defense

Answer 3

White blood cells (WBC) are part of bodies first line of defense against pathogens.

Answer 4

Skin