Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we ...

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 ...

It depends if you count teeth as a group or separately. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Organs are collections of tissues that ...

The human body is a wonderful biological work of art, composed of a great many organs, each carrying out special functions that are part of life and well-being. Though the human body contains about 78 ...

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 ...

Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

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 ...

Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we ...