The range of intakes for a particular nutrient that is associated with reduced risk of chronic disease while providing adequate intake is the:

Your answer is going to be c. 

1.controls blood flow2.controls oxygen flow3.carries oxygen rich blood to veins

The answer would be a true statement

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.