most of what you actually do is unconscious. that ofcourse doesnt mean that a lot of our important actions arent conscious ones.
there is also the issue of attention.. human beings have the capacity to be processing things in (to use a computer metaphor) low priority threads.. while being focused on a limited set of things. A classic example is the cocktail party example, where you are engaged in a conversation with one person while hundreds of other conversations are also entering your ears but you dont have to consciously isolate them (unless they’re very loud). however when someone takes your name, immediately you become aware of it.
I disagree with this, and it is absolutely contradictory to established scientific fact. Heart transplants are pretty normal, furthermore animal transplantation and artificial hearts are coming along with people living for upto a year with completely artificial hearts during which time they are conscious.
Unless your suggestion is that consciousness can be materially generated, or that a dead person’s consciousness can be put into another person.