
The architecture of our outer shield
The evolutionary rainbow of human pigment
A bustling microscopic wilderness
The magic of self-repair and healing
YOUR GOAL
Master of The biology of human skin
artiteacher Skin Regeneration
Brand-new skin is on the way (oh yeah!) / Shedding the old to save the day (save the day!)

artiteacher Specialized cells construct new tissue and blood vessels to close the gap.

artiteacher Inflammatory cells flood the wound to destroy bacteria and clear damaged tissue.

artiteacher Drag treatments onto cuts and scrapes to discover how skin layers heal the body.
Scar tissue: Scar tissue is weaker than normal skin and completely lacks hair follicles, sweat glands, and elastic proteins.
A cell in connective tissue that produces collagen and other fibers. In 1858, Rudolf Virchow first described these cells, which later proved essential for repairing damaged skin.
Which cells are responsible for laying down new collagen to rebuild damaged skin?
Which blood component forms the initial physical plug to stop bleeding in a cut?
What is the primary role of white blood cells during the inflammatory phase of healing?
