Tell me why you had me feeling worthless (yeah) now your heart broken you need a
surgeon
(yeah)
I know one thing for sure and for certain
(yeah)
I know one thing for sure and for certain
(yeah) (yeah) (yeah)

Is this a question or are you asking what type of song so this?

Answer target heart rate;

Unlike  ct scans, which use x-rays,  mri scans  use powerful magnetic fields and radio frequency pulses to produce detailed pictures of organs, soft tissues, bone and other internal body structures.  differences between  normal and abnormal tissue is often clearer on an  mri  image than a  ct.you can see more with a mri scan. for example on an mri you can see internal bleeding.