Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And ...

Test your knowledge of the human body with my fun trivia challenge! In this video, I ask three questions about bones, the brain, and organs to see how much you really know about anatomy. See if you ...

An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...