Index / Human Anatomy / Human Skin
Human Anatomy
Human Skin
Integumentary system — largest organ
The body’s largest organ and first line of defence. Three layers — epidermis, dermis, hypodermis — regulate temperature, block pathogens, and sense touch, pressure, and pain.
Key specifications
Surface
~2 m²
Mass
~4–5 kg
Renewal
~27 days
Layers
3
Sheet 011 · Plate 1 of 1 · 1:1 infographic
Click image to enlarge · Esc to close
