contestada

HELP ASAP


Identify the body's "barrier" or "first lines of defense" that keep microorganisms from infecting the body.

Group of answer choices

Skin

Shoes

Saliva

Tears

Mucous membrane

Stomach acid

Teeth

Fingernails

Respuesta :

the skin...that makes sense
Skin, tears , mucous, are part of the first line of defence in fighting infection. They help to protect us against invading pathogens

Otras preguntas