Because it is not so dependent on blood flow and tons of brain activity. It is a small system and works independently of other systems, other than the nervous system and cardiovascular system.
The last sense a dying person loses is hearing.
you lose your sight first, then your hearing last.
The first sense a person typically loses is their sense of smell. This can be due to various factors such as aging, illness, or injury.
hearing
hearing is the last sense to leave
The last sense before dying is typically hearing. Studies have shown that the sense of hearing is the last to go as a person nears death, often allowing loved ones to communicate with the person even when they are unconscious or unresponsive.
Hearing
(p) touch > sight > hearing > taste> smell > telekinesis
Eyesight
Hearing is believed to be the last sense to be lost before death. You can talk to a dying person as if each of your words can be heard. Therefore, do not talk over the person pretending that he is not there because they can still every word that you are saying.
I'm not sure about which sense, but i do know that the last thing to die is your brain.
The very last sense to go before you die is your hearing. this is why when you are giving CPR to someone you are to continue to talk to them and if they do come back from being unconciense they wil know exactually what you said.