how long can human go without air
If you're ever stuck out in the wilderness, remember what survival experts call 'the Rule of Threes'. You can live 3 minutes without air, though we don't recommend trying. In a harsh environment â it's snowing, say â you have 3 hours to survive without shelter.After 3 days, you need water or you'll perish. You can make it 3 weeks without food, though we promise you that won't be fun.Despite this possibly helpful rule, some people have survived 8 to 10 days without water.fter 3 days, you need water or you'll perish. You can make it 3 weeks without food, though we promise you that won't be fun. Despite this possibly helpful rule, some people have survived 8 to 10 days without water.