Giving out all of my points, before i delete my account.
real !
i often feel like i am not real and i am not living in reality, like the real world is not actually real. am i depressed? i do want to leave home because my mother is controlling but i'm not actually sad.
real answers !

the last statement is correct i.e.

when your heart is not pumping enough blood around your body because your heart is severely failing, you may need an artificial heart. an artificial heart is a mechanical device, about the size of an orange, that is connected to your heart or implanted in your chest to or replace a failing heart.

answer; i believe that the correct answer is ; ///(muscle adaptation principe);