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Keeping Skin Healthy

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    Growing Skin

    Growing Skin

    by CK-12 //basic

    Explains how humans cannot regenerate lost tissue like other organisms. Describes the research being done to find more effective ways of treating skin loss.

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