For our purposes today, however, we’re more concerned with finding out what exactly those biological differences are. At least the less-known ones. These are the differences that you were never aware of. They’re not obvious, but they exist. And they define at least a little bit of the difference between male and female. So, without further ado, these are 25 Biological Differences Between Men And Women That Aren’t Commonly Known! Featured Image: Shutterstock