By 
Sarthak Sinha
 | 
TED-Ed Original

How a wound heals itself

Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the epidermis and into the dermis to investigate this regenerative response.

Related tags:

TED is supported by ads and partners

Watch next