91�ȱ�

This short film looks at how humans perceive the world and how our brain creates an image of what is around us. A real-life example of a blind climber who uses his tongue to see is shown.

This short film takes us on a journey around the circulatory system using the example of a baby's first breath.

This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria.

This short film uses CGI footage to help give a visual description of the process of human fertilisation, following the journey of both sperm and egg.

Using CGI, this short film gives students a look at the inner workings of the immune system, focusing particularly on how the body fights off viruses.

From a single fertilised cell to a fully grown baby, this short film mixes CGI with real-life images to paint a picture of how we develop inside the womb.

This short film provides a close-up look under your skin, focusing on two key functions of the skin - protecting the body from pathogens, and stopping the body from drying out.

This short film combines CGI images with a real life story about a fire-fighter to show how the body manages to control temperature by sweating.

This short film provides a journey into the ear, looking at hearing and balance, plus a real-life example of how the ear helps us to walk.

This short film offers a depiction of the inner workings of the human eye by combining CGI with a real life story of divers who can see clearly underwater.

This short film uses 3D CGI images to show the movement of blood through the chambers of the heart and also the pacemaker cells.

This short film offers a look at how the body heals itself. Combining CGI scenes with real life action in the boxing ring, it follows the progress of a boxer's black eye.

Doctor Chris van Tulleken introduces some handpicked Biology clips from the 91�ȱ� archive for use in the classroom.

Use these Bitesize resources to set homework, independent study tasks or to consolidate learning for your pupils.

The latest news stories from Newsround to share in the classroom.