🧅01
Layers of the Skin
Epidermis, dermis, hypodermis — tap each layer and what lives in it.
Open →🧱02
The 5 Epidermal Strata
Watch a keratinocyte's month-long journey from basale to flaking off.
Open →🎨03
Skin Color & Melanin
Crank up the UV and watch melanin rise to shield the DNA.
Open →💈04
Hair, Nails & Glands
Hair follicles, nails, sweat & oil glands, and arrector pili.
Open →🛡️05
What the Skin Does
Protection, thermoregulation, sensation, vitamin D, and excretion.
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Burns & Skin Cancer
Burn depth + rule of nines, and BCC / SCC / melanoma with ABCDE.
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