Add Yahoo as a preferred source to see more of our stories on Google. An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing ...

In the classic 1975 British comedy film "Monty Python and the Holy Grail," King Arthur battles a mysterious Black Knight who ...

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

When it’s time to bring new life into the world, the human body transforms itself in remarkable ways. The immune system, which usually fights off anything that reads as foreign, learns to chill out so ...

The process of dying usually begins with the failure of one or more of the three vital organs. The process of dying usually begins with the failure of one or more of the three vital organs: the heart, ...

For more than a century, medical students have memorized the same map of the human body, confident that every major structure had already been charted. Yet recent research suggests that even in the ...