What skin repair itself after it is cut

This is called clotting, which works like a plug to keep blood and other fluids from leaking out. A scab, a hardened and dried clot, forms a crust over the wound. This protects the area so the skin cells underneath can have time to heal. Underneath the scab, new skin cells multiply to repair the wound.

mitosis is the answer :)

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )