Question

If one person's hand vein is cutted then he will die but the people with no limbs survives how is this possible.

Answer 1

Because vein supply blood and when the vein is cutted them the good supply will stop and person will die but if limbs were not in body the person will lives but cannot fully fit and use wheel chair to spend their lives.

Answer 2

People don't die from slitting their wrist. They die from bleeding out after not seeking medical attentionsame applies for loosing your arm