3. The body's natural defense against pathogens includes skin, tears, saliva, _
.
A muco...
Health, 27.02.2020 18:57 susanasalleyp3enwe
3. The body's natural defense against pathogens includes skin, tears, saliva, _
.
A mucous membranes, and the respiratory system
B mucous membranes, and the digestive system
C and the digestive and respiratory systems
D the lungs, and digestive system
Tonic
St Disease
Answers: 1
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