The <u>Retina </u>is the innermost layer of the eyeball.
An individual who is able negative can receive any blood type in moderate amounts except that with the Rh antigen.
It helps relieve constipation
Organs that can be donated for transplantation include <u><em>kidneys, heart, lungs, liver, small bowel and pancreas. </em></u>
Tissues that can be donated include <u><em>eyes, heart valves, bone, skin, veins and tendons.</em></u>
I would say D for this one mostly because I know for sure most of these answers are right.
