D. Your culture teaches you to eat foods that are unhealthy.
OK so basically the location of the sinoatrial node will be in the right atrium
ANSWER - B
<span>In the year 1986, the Health Resources and Services Administration (HRSA), a division of the </span>Department of Health and Human Services (<span>DHHS), contracted with the United Network for </span>Organ<span> Sharing (</span>UNOS) to maintain the Organ Procurement and Transplantation Network (OPTN) which established t<span>he rules for organ allocation.</span>