When tissue is hurt, the body follows the same repair plan every time. It will stop the bleeding, clean up, rebuild, and remodel. Step through a healing wound.
Injury & bleeding
Injurystep 1 of 4
The healing steps
Regeneration vs. scar: Tissues whose cells can divide can regenerate the real thing. Skin and gut cells are labile. Liver cells are stable. Tissues whose cells cannot divide heal with a fibrous scar instead. Neurons and heart muscle cells are permanent.
📷 Reference image
A real labeled figure to compare with the interactive above.
Tissue Repair — OpenStax, CC BY 3.0 (via Wikimedia Commons)