Organisation

Blood Vessels | Bitesize Science

A short guide on blood vessels in the body.

The circulatory system | Bitesize Science

A short guide on the circulatory system.

The life cycle of a red blood cell | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley shows the journey of a red blood cell through the body.

S1E3: Heart | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Dr Alice Roberts. This week she tests a heart under stress.

The Wonderful World Of Blood - With Michael Mosley

Michael Mosley gives up a fifth of his own blood to perform six bold experiments. From starving it of oxygen to injecting ...

The function of platelets | The Wonderful World of Blood - with Michael Mosley

Michael Mosley conducts an experiment to demonstrate blood clotting, and explains the role of ...

The changes to red blood cells when oxygen is added | The Wonderful World of Blood - with Michael Mosley

Michael Mosley pumps oxygen through a blood sample, demonstrating th...

Cholesterol and different fats | Dr Alice Roberts: Don't Die Young

Alice finds out about cholesterol and what different types of fat affect it.

Arteries and alcohol | Dr Alice Roberts: Don't Die Young

Alice tests the effect of alcohol on her arteries and blood flow.

Laughter workshop for the heart | Dr Alice Roberts: Don't Die Young

A Bristol laughter workshop encourages people to laugh which has an interesting effect on your heart.

Anatomy of the heart | Dr Alice Roberts: Don't Die Young

Alice examines a pigs heart and describes how it works in human terms.

Chambers of the heart | Heart vs Mind: What makes us human

Cardiac imaging reveals how our hearts push blood around our bodies.

A circulatory path | Heart vs Mind: What makes us human

In the 17th century, Harvey discovered that blood flows in a circulatory path.

Enzyme power and food as fuel | Bitesize Science

Enzymes are biological catalysts which help us to get the energy we need from food to survive.

The large intestine | Guts: The Strange and Wonderful World of the Human Stomach

A camera travels through the last part of the digestive system and explores the role of the ...

The brain in our gut | Guts: The Strange and Wonderful World of the Human Stomach

Our intestines are remarkable similar to that of a pigs.

The small intestine | Guts: The Strange and Wonderful World of the Human Stomach

A camera travels through the digestive system and shows the frenzy of digestion within the s...

Journey through guts | Dara O'Briain's Science Club

A camera travels through the digestive system.

Digestive powers | Guts: The Strange and Wonderful World of the Human Stomach

The digestive powers of the gastric juices within the human stomach are tested.

How food and oxygen combine to provide energy to work the body | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley explains what happens to food inside o...

What does your stomach look like from the inside? | Guts: The Strange and Wonderful World of the Human Stomach

Michael Mosley finds out what happens inside our stomachs by s...

S2E4: The Stomach and Intestines | Dr Alice Roberts: Don't Die Young

Dr Alice Roberts peers inside her own stomach by swallowing a tiny camera, then uses dissection and some...

Guts: The Strange and Wonderful World of the Human Stomach

Michael Mosley lays bare the mysteries of the digestive system and reveals a complexity and intelligence in the hu...

Pro and pre-bacteria | Dr Alice Roberts: Don't Die Young

Alices swallows a camera to see inside her small intestine. She also finds out about friendly bacteria.

Bowel cancer and 'transit time' | Dr Alice Roberts: Don't Die Young

Alice does a test with Les eating sweetcorn to see how long it takes for them to digest the food until ex...

Anatomy of a stomach | Dr Alice Roberts: Don't Die Young

Alice dissects a pigs stomach to show how a human one works. She also tests her own stomach acid.

Stomach and intestines | Dr Alice Roberts: Don't Die Young

Alice shares some facts about the stomach and intestines.

How enzymes work | GCSE Bitesize Revision

Spec references J247: B1.2g J250: B1.2d. How enzymes break down substrates into products, lock and key model, denaturing of protein...

Enzymes and Digestion | GCSE Bitesize Revision

Animated shorts to support students preparing for assessments in GCSE Additional Science.

Digestion | Curriculum Bites

Schools science programme where topics in the double science curriculum are broken down into small chunks.

Alcohol and the brain | The Secrets of Your Food

Michael explains what happens to the brain when we drink alcohol.

Chillis, capsaicin and ''pain'' | The Secrets of Your Food

James finds out why we like the taste of chillies and the idea of "pain" or "burn" with our food.

Coffee, caffeine and cravings | The Secrets of Your Food

James finds out about a study done with bees that suggest caffeine works in a similar way to fat when it comes to ou...

Fat, addiction and the reward pathway | The Secrets of Your Food

Michael describes in detail what is happening in the pleasure centres of our brain and why such fatty foods ...

Chocolate cravings | The Secrets of Your Food

James explains why treats like chocolate are so pleasurable for our brains and why its chemical makeup links back to when we we...

Clotted cream, fat and taste receptors | The Secrets of Your Food

Michael explains how the structure of fatty foods can affect how it tastes in our mouth and therefore what...

Fat and the brain | The Secrets of Your Food

Fats have a "rewarding" effect on the brain, the more fat we eat the more we stimulate the "reward pathway".

Vitamins and mushrooms | The Secrets of Your Food

When you can't get enough sunlight to top up your vitamin D levels, mushrooms can act as a good alternative source.

Calcium, lactose and yogurt | The Secrets of Your Food

James explains why calcium is good for our bones and how yogurt can even be a source of it for those with lactose into...

Fats, Omega 3 and Scotland | The Secrets of Your Food

Essential fatty acids like Omega 3 can be hard to source however Scottish beef has an abundance due to the high levels ...

Amino acids and sweetcorn | The Secrets of Your Food

James explains what our amino acids are and how a certain type of sweetcorn can be a good source for them.

Eggs, muscles and wrestling | The Secrets of Your Food

Michael describes how beneficial a cooked egg is for the body especially when exercise is a constant.

Eggs and protein | The Secrets of Your Food

Michael explains the chemical makeup of a standard chicken egg and why they are a great source of protein.

The Science of Sourdough | The Secrets of Your Food

Michael describes exactly what is chemically happening when sourdough is being made.

Carbohydrates and energy | The Secrets of Your Food

James defines what carbohydrates are and why they are essential for our everyday.

Breast Milk | The Secrets of Your Food

Michael examines the chemical makeup of breast milk to see what nutrition babies are being provided with.

Rocket fuel | The Secrets of Your Food

Carbohydrates such as rice are such an important part of our diets due to the amount of energy they provide once broken down.

Saliva test | The Secrets of Your Food

A saliva test reveals the role of our senses in saliva production and in our digestive system as a whole.

Treating diabetes with an artificial pancreas | Trust Me, I'm a Doctor

In this clip we discover what diabetes is and a new way of treating the condition compared to the trad...

3: Food on the Brain | The Secrets of Your Food

Michael Mosley and James Wong explore the effect that our food has on our most important and, in terms of energy consumption,...

The dead-horse arum and the titan arum | The Private Life of Plants

David Attenborough describes how the dead-horse arum and the titan arum are able to reproduce.

Flight of the bumblebee | The Private Life of Plants

David Attenborough explores the role of insects, especially bees, in the pollination process.

The pollination process | The Private Life of Plants

David Attenborough describes the process of pollination and how this helps plants reproduce.

The affect of parasites on an Oak tree | Oak Tree: Nature's Greatest Survivor

George McGavin looks at what happens when an outlandish group of insects highjacks the growth o...

An Oak trees chemical defence system | Oak Tree: Nature's Greatest Survivor

It may look like an oak tree is a big green heap of insect food, but eating it is not that easy. ...

Looking at the history of a landscape using cores from peat bogs | Oak Tree: Nature's Greatest Survivor

A detailed look at a sample of peat from Marley Fen can show us an in...

The reproduction of an Oak tree | Oak Tree: Nature's Greatest Survivor

George McGavin investigates the reproduction of an oak tree, and how millions of tiny pollen grains tr...

Symbiotic relationships and the importance of roots | Oak Tree: Nature's Greatest Survivor

George McGavin investigates the dramatic life of the oak tree, which wouldn't surv...

6: Surviving | The Private Life of Plants

David Attenborough concludes his incredible journey into the world of plants with a look at the techniques plants use to survive ex...

5: Living Together | The Private Life of Plants

David Attenborough looks at how plants often rely on animals, fungi and each other for food, protection or a home, but they d...

4: The Social Struggle | The Private Life of Plants

David Attenborough looks at the extraordinary battles for survival which are fought in the plant world.

3: Flowering | The Private Life of Plants

David Attenborough continues his incredible journey into the world of plants. He reveals how flowers use colours and perfumes for p...

2: Growing | The Private Life of Plants

David Attenborough continues his incredible journey into the world of plants. Remarkable time-lapse photography reveals how new leave...

1: Travelling | The Private Life of Plants

David Attenborough begins his incredible journey into the world of plants with a look at how plants move from place to place.

Plants in cold environments | The Private Life of Plants

David Attenborough describes how certain plant species adapt to cold weather.

Collagen | Secrets of Skin

Collagen makes up 90% of the skin dermis. Professor Ben Garrod talks to a scientist studying collagen whose research has some ground-breaking appl...

Elastin | Secrets of Skin

Why do we get wrinkles? Professor Ben Garrod explores the function of elastin in an animal's skin.

Epidermis | Secrets of Skin

Professor Ben Garrod gives a brief introduction to the structure of skin, especially the epidermis.

The function of the kidneys | Short Circuit

The function of the kidneys in the body and how they work, including a cast showing the blood vessel structure.

Rods, cones & 3D vision | James May's Things You Need to Know

James May asks the big questions about his body. Why are we made like this? In this clip, he explores cones, ro...

S2E2:...about Brains | James May's Things You Need to Know

Do you really know what is happening inside your head? James May cranks open your cranium to find out about behavi...

S2E7: Bones, Muscles and Joints | Dr Alice Roberts: Don't Die Young

Dr Alice Roberts investigates what a "slipped disc" actually looks like and what happens to a joint that'...

S2E5: The Ear, Nose and Throat | Dr Alice Roberts: Don't Die Young

Dr Alice Roberts gets an insight into what it is like to be deaf with specially designed headphones, and e...

S2E3: The Liver | Dr Alice Roberts: Don't Die Young

With one in ten of us likely to experience a problem with our liver at some point in our lives, Dr Alice Roberts offers a...

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 ...

S1E6: Brain | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Dr Alice Roberts. In this final episode, she looks at the most complex organ - the b...

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...

S1E5: Skin | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Alice Roberts. The body's biggest organ is under scrutiny - the skin. Alice finds out...

S1E4: Eyes | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Dr Alice Roberts. She checks out the pros and cons of laser eye surgery and gets a fi...

S1E2: Lungs | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Dr Alice Roberts. Shock tactics are deployed to make one confirmed smoker realise ju...

S1E1: Kidneys | Dr Alice Roberts: Don't Die Young

Health documentary series with anatomist Dr Alice Roberts. In this episode, she puts three rugby players through their pace...

S1E5: Brain | Dara O'Briain's Science Club

Experts and a lively audience join Dara O Briain to tackle the biggest ideas in science from lots of different and unexpected angl...

6: Who Are We? | The Story of Science: Power, Proof and Passion

The twin sciences of brain anatomy and psychology have offered different visions of who we are. Now these sci...

Evolution of the structure of the eye | Wonders of Life

Spec references J247: B3.1d. Demonstration showing a small hole added to a membrane and then a lens is added. This re...

Bones and Osteoporosis | Dr Alice Roberts: Don't Die Young

Alice talks to a bone expert and finds out the problems they can face as they age.