Defensive action

From the hairs on your head to the tips of your toes and everything in between.

The body is broken down into different areas according to the jobs they do.

One book looks at your vital organs, such as the heart or liver, while another looks at the amazing job your brain does and how it relates to your nervous system and helps you make sense of the world around you.

Take a fascinating trip through the science behind your own body.

Never mind outer space, it's all about your inner space!