Animals Including Humans

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...

Light receptors | Inside the Human Body

There are two types of light receptors within the retina responsible for detecting and processing light: the rods and the cones.

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.

What happens when you get a cold? | 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 explains...

The role of T cells and antibodies when fighting an infection | Inside the Human Body

Using state-of-the-art graphics, Michael Mosley explains what happens when a virus ente...

An introduction to phagocytes | Inside the Human Body

Michael Mosley looks at how white blood cells, called phagocytes, fight bacteria inside our blood.

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.

S03E01E1: Blood | Brain Freeze

Knowles and McCork ask the question 'How does my heart keep beating?'

S02E10: Crying | Brain Freeze

Knowles and McCork ask 'Why do we cry?' and learn how we shed tears.

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.

03: Mary Ploppins, Magnets and Sorting Your Bits Out | Horrible Science

Mary Ploppins soothes those digestive ills, Dr Big Brain tries banana power, and Einstein reacts to T...

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...

S03E15: Digestion | Brain Freeze

Knowles and McCork explore the digestive system of Colin the floor manager.

S03E14: Taste | Brain Freeze

Knowles and McCork ask 'Why do we make saliva while we eat?'

S03E05: Teeth | Brain Freeze

Knowles and McCork ask the question 'Why do we have baby teeth?'