These hearts are taken from sheep under 6 months of age. We try to insure that we only use hearts that have been cut to a minimum by the vets when being inspected. You can view the Aorta, Pulmonary Artery and the Trunk of the Pulmonary Artery which makes all circulation experiments clear and informative for any student.
A Sheep's has a four-chambered heart, just like humans. By studying the anatomy of a Sheep's heart, you can learn about how your own heart pumps blood through your body and keeps you alive.