The body’s response to extreme cold | The Human Body: Secrets of Your Life Revealed

1: Challenges of Life | Life

David Attenborough examines how living long enough to breed is a monumental struggle, and how many animals and plants go to extremes to give the...

An Introduction to Homeostasis | The Human Body: Secrets of Your Life Revealed

We live on a knife edge, and we are amazingly good at doing it. Chris van Tulleken gives a sim...

Fear Response | The Human Body: Secrets of Your Life Revealed

Chris van Tulleken accompanies some snake hunters at work, showing what happens inside our bodies when we exper...

Homeostasis | GCSE Bitesize Revision

Spec references J247: B3.3a, B3.3b, B3.3c, B3.3d, B3.3e, B3.3g, B3.3j. Higher paper content for homeostasis. Structure of the kidney, ho...

Homeostasis in Humans | GCSE Bitesize Revision

Spec references J247: B3.3g, B3.3i, B3.3j. Summary of homeostasis including removal of waste products, managing water levels, ...

Hormone Hell | Body Chemistry

Bodily hormones tell us it's still the Stone Age and that if life was simpler, such torments as puberty, PMT and the menopause wouldn't be a pr...

How does inheritance work? | Dara O'Briain's Science Club

How the body keeps warm in cold environments | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows what happens in our bodies when we get cold.

How the body maintains temperature | The Human Body: Secrets of Your Life Revealed

Spec references J247: B3.3b. Experiment to observe change in temperature and how it affect...

How the body responds to extreme temperatures | The Human Body: Secrets of Your Life Revealed

Chris van Tulleken uses a miniature thermometer to explore what happens to his ...

Let's Talk About Periods | Newsround Specials

Half of the world's population have periods - yet people are often embarrassed to talk about them. Lauren Layfield meets expert...

S1E1: Reproduction | Dara O'Briain's Science Club

Dara O Briain and a team of experts look at the world of reproduction and inheritance. Comedian Ed Byrne discovers just how...

S2E1: Male Reproductive Organs | Dr Alice Roberts: Don't Die Young

In the first of a new series, Dr Alice Roberts explains how the male reproductive organs work and has advi...

S2E2: Female Reproductive Organs | Dr Alice Roberts: Don't Die Young

Dr Alice Roberts turns her attention to the female reproductive organs where she uses an MRI scanner to ...

The Fantastical World of Hormones with Professor John Wass

Expert John Wass presents a documentary telling the story of how hormones were discovered and remain at medicine's...

The role of the hypothalamus in water levels in blood | Short Circuit

An explanation and visualisation of how the hypothalamus works to control water concentration in the bl...

What are hormones? | The Fantastical World of Hormones with Professor John Wass

Professor John Wass gives a simple introduction to hormones, what they are, and how they work...