Which is the best response by the skin to a bleeding paper cut?
minimize the flow of blood to the site
produce salt-filled sweat to get rid of pathogens at the site
initiate cell division
protect against uv light

The best response by the skin is to minimize the blood flow to the site. According to Dr.Anthony J. Mancini, a professor at Northwestern University Feinberg School of Medicine, in the blood there are proteins that creates clot and make a covering to protect the cut from foreign materials. Examples of these proteins are platelets and fibrin. This step happens within seconds immediately after you got a cut.

It is platinum in the market value