May 01, 2017 PM EDT - Alpha

Doctors Research And Confirm That Human Head Transplant Reconnects With Spinal Cord With Surgery

In human anatomy, the head is most important as it supports face, brain and body's major organs like nose, ears and other parts are also connected and without head and brain, nothing works. Being six to seven inches wide and 8 to 9 inches long, the human head is the most active organ in the human body. The average circumference is 21 to 23 inches. Males have larger heads than females.