John has decided to adjust his dietary habits to eating to only products that could have been hunted and gathered before modern civilization. which diet is he following? vegetarian mediterranean vegan paleo

Which statement best describes the role of the artificial heart? the artificial heart is a good replacement option for individuals who do not want a human heart. the artificial heart has been a great option because it can keep patients alive for a very long time. the artificial heart is not a good option because of the high possibility for rejection. the artificial heart has limited usefulness but can prolong life or be a tool to use while waiting for a transplant.