Describe the qualities of the skin and mucous membranes that protect from bacterial invasion.
Provide examples of normal skin microbiota.
What are the terms used to describe microbial dis:
a) Ectoderm, mesoderm, endoderm
b) Prokaryotic, eukaryotic, multicellular
c) Pathogenic, commensal, symbiotic
d) Antibiotic, antiviral, antifungal