Innovative Grade US Origin Bovine Heart Heart Only Frozen - This heart is collected on a custom basis from US Origin abattoir animals, ensuring that only the highest-quality material is provided. Options Include Heart Only heavily cut, With Aorta The heart including aorta, With Abdominal Aorta/Vena Cava Heart, Abdominal Aorta and Vena Cava (fetal bovine product) With Abdominal Aorta/Pulmonary Artery Heart, Abdominal Aorta and Pulmonary Artery, With Abdominal Aorta/Pulmonary Artery/Veins Heart, Abdominal Aorta, Pulmonary Artery, and Veins, With Descending Aorta/Branches Heart, descending aorta as well as the three major branches off the aorta (branches max of 2" length) With Aorta/Veins/Arteries/Vena Cava Heart and the aorta, pulmonary veins, arteries, and vena cava (2), not dissected from lungs (from a calf 12 months of age or younger) With Aorta/Inferior Vena Cava Heart, the aorta and the inferior vena cava (1) This product is available fresh or frozen.