The brain is mission control of the human body and the nervous system. The brain is mission control of the human body and the nervous system. Its 100 billion cells are processing data an incredible ...

Your Blood Vessels Could Circle Earth Four Times Laid end to end, an adult's blood vessels could circle Earth's equator four ...

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 ...

The human body is one of the weirdest things around. We’re full of all kinds of squishy fluids, we got our start as a single cell, and we each have a skeleton inside of us. But the weirdness doesn’t ...