Learning items
Explore shared ideas across books.
Biology
VocabularyHuman microbiome
The human microbiome includes microbial communities associated with the human body and their genetic material.
ConceptColonization versus infection
Colonization is microbial presence or growth at a body site without causing tissue damage or disease; infection may be symptomatic or asymptomatic.
VocabularyEpidermis
The epidermis is the outermost layer of the skin.
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