_______ is the body's first line of defense against pathogens and other harmful substances.
A) Inflammation
B) Skin
C) Edema
D) The macrophage

Name: _______ is the body's first line of defense against pathogens and other harmful substances. A) Inflammation B) Skin C) Edema D) The macrophage
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The skin acts as a physical barrier to prevent pathogens and harmful substances from entering the body. It is the first line of defense in the body's immune response.

_______ Is the Body's First Line of Defense Against Pathogens