Over 4000 free audio and video lectures, seminars and teaching resources from Oxford University.
Skip to Content Skip to Navigation

Part 1: The Building Blocks of Life

Loading Video...
Duration: 0:05:29 | Added: 28 Oct 2014
Our bodies are made up of trillions of cells but it doesn’t matter how closely you look, you still won’t see them.

In fact, most of our cells are smaller than the width of a hair. To make sure that our bodies work correctly, our cells have to talk to each other – a pretty daunting task. So how do our cells communicate?

Copy and paste this HTML snippet to embed the audio or video on your site: