Some people believe we know everything about such thing as our body, since we study biology at school, read books, and watch ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

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 ...

There are a few body parts that remain the same size from the moment we're born until the end of our lives. The human body is an incredible structure of balance, precision, and evolution. While most ...