If we were to take all the blood vessels in the brain and stretch them out, they would be 100,000 miles long!阅读详情

We often hear of crazy medieval medical practices performed on patients. Procedures such as bloodletting ?, putting dung on an open wound ?, or boring holes into the skull to cure illness ?. At that time, it was believed the body was comprised of four humors, astrology had to be confronted before deciding on a treatment plan, or small bobbles could act has magical healing charms. 阅读详情

One of the inevitable facts of life is that we all grow older. Ultimately with aging comes many changes to our body. One of these being the dreaded onset of wrinkles and sagging of our face. ??阅读详情

Picture this. An accident has occurred, and you are rushed to an emergency room where life sustaining surgery is required ?. Then, upon opening your thoracic cavity, doctors stop and look puzzled.阅读详情

The cells in our body need oxygen in order to create energy. We get this oxygen from breathing. ?阅读详情