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

Your anatomy operates like a machine, it's success hinging on the work of over 70 organs, each with a unique function. From the heart's blood-pumping ability to the liver's filtering power, each ...

Add Yahoo as a preferred source to see more of our stories on Google. a school age girl with dark brown skin presents a simplified diagram of the human body to a teacher. the diagram depicts various ...

The number of birthdays you’ve had—better known as your chronological age—now appears to be less important in assessing your health than ever before. A new study shows that bodily organs get “older” ...

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 ...