survival

Survival skills are techniques a person may use in a dangerous situation (e.g. natural disasters) to save themselves or others. These techniques are meant to provide basic necessities for human life: water, food, shelter, habitat, the ability to think straight, to signal for help, to navigate safely, to avoid unpleasant interactions with animals and plants, and cure any present injuries. Survival skills are often basic ideas and abilities that ancient humans have used for thousands of years. Hiking, backpacking, horseback riding, fishing, hunting and many other outdoor activities all require basic wilderness survival skills to handle an emergency situation. Bushcraft and primitive living are most often self-implemented, but require many of the same skills.
First aid can help a person survive and function with injuries and illnesses that would otherwise kill or incapacitate him/her. Common and dangerous injuries include:
Bites
Bone fractures
Burns
Headache
Heart attack
Hemorrhage
Hypothermia (too cold) and hyperthermia (too hot)
Infection through food, animal contact, or drinking non-potable water
Poisoning from consumption of, or contact with, poisonous plants or poisonous fungi
Sprains, particularly of the ankle
Wounds, which may become infected
The survivor may need to apply the contents of a first aid kit or, if possessing the required knowledge, naturally occurring medicinal plants, immobilize injured limbs, or even transport incapacitated comrades.
Shelter
A shelter can range from a "natural shelter"; such as a cave or a fallen-down tree, to an intermediate form of man-made shelter such as a debris hut, a tree pit shelter, or a snow cave, to completely man-made structures such as a tarp, tent, or a longhouse.
Fire[edit]
Making fire is recognized in the sources as significantly increasing the ability to survive physically and mentally. Lighting a fire without a lighter or matches, e.g. by using natural flint and steel with tinder, is a