Answer:
the statement that best describes the role of artificial heart is : The artificial heart has limited usefulness but can prolong life or be a tool to use while waiting for a transplant.
Step-by-step explanation:
Although there are less chances of rejection while using the artificial heart but there is always a risk that artificial heart will not work properly and have to be ultimately replaced.
Studies have shown that artificial heart surgeries can lead to serious complications.
Also, artificial hearts do not work as healthy as natural ones.