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Anatomy & Physiology · Chapter 4

Tissue Repair

When tissue is injured, the body follows the same repair playbook every time — stop the bleeding, clean up, rebuild, remodel. Step through a healing wound.

Injury & bleeding

Injurystep 1 of 4

The healing sequence

Regeneration vs scar: tissues with dividing cells (skin, gut — labile; liver — stable) can regenerate the real thing. Tissues that can't divide (neurons, cardiac muscle — permanent) heal with a fibrous scar instead.
📷 Reference image
A real labeled figure to compare with the interactive above.
Tissue Repair reference figure
Tissue Repair — OpenStax, CC BY 3.0 (via Wikimedia Commons)