Scott Sheffield has been teaching anatomy at the university level for over 21 years. He has passionately and carefully produced the site "Get Body Smart - Human Anatomy and Physiology". This site ...

Do you watch a lot of Grey's Anatomy? Or maybe look at the scrubs-clad people in your local coffee shop and get a pang of jealousy? Do you think you could perform surgery if you had to? You're not ...

Humans are complex organisms made up of trillions of cells, each with their own structure and function. Scientists have come a long way in estimating the number of cells in the average human body.