if you get a cut or scrape. however, there are three necessities every explorer or traveler in the wild must look for. these are food, water and shelter. you need all three if you hope to survive. now, there are many survival guides out there. most of them give you basic advice on all three. for example, finding shelter would involve a nice cave or a lofty tree. it could also mean building your own shelter with branches from trees.
finding food is a little harder than this. you would need to live off the land. this would require you to be able to identify poisonous berries and other fruit. you 