It Is Likely That Changes in Which Organ System Can

It is likely that changes in which organ system can lead to erectile dysfunction (ED) ?

A) Changes in the cardiovascular system can lead to ED because it can lead to an inadequate blood supply to the penis.
B) Changes in the endocrine system can lead to ED because this can lower the sperm count.
C) Changes in the digestive system can lead to ED because with poor digestion the body does not extract sufficient energy from food.
D) Changes in the skeletomuscular system can lead to ED because a reduction in muscle fibers will make an erection impossible.
E) Changes in the endocrine system can lead to ED because this will limit the production of testosterone.