Vinken convinces us that it would be erroneous to believe that the scalloped heart shape arose out of uninterest in the subtleties of cardiac anatomy. In fact, Vinken artfully hypothesizes that ...

Instead, subtle but crucial differences in heart anatomy and function have emerged in response to unique environmental ...

Artery Vein Capillary Function Carry blood away from the heart (usually oxygenated blood ... Red blood cells are disc-shaped cells with no nucleus. They are very small but their flattened shape ...