First graphics. Body systems

Nelly Neuron takes a trip through the nervous system of a human child, explaining how messages are sent to and from the brain and the neurons.

Molly and Ollie Oxygen take a tour of the human respiratory system, explaining how it works.

Bradley Bone takes a journey through a young boy's muscular and skeletal systems to explain how they work together to protect and move the body.

Peter Pea takes a trip through the human digestive system, from the mouth through the stomach and intestines to the completion of the digestive cycle.

Ruby the Red Blood Cell takes a tour of the body's circulatory system, exploring how blood works to bring oxygen to the body and remove waste.