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 ...

Most of us never get to see the inner workings of our bodies. Sometimes we get tiny glimpses when our bodily fluids make an appearance in the outside world—like a runny nose, a bleeding paper cut. But ...

Miniature organs have a new lifeline. Mimicking the way early human embryos grow blood vessels, scientists nudged multiple types of mini organs to sprout their own vascular networks. Also called ...

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 ...