7 results for “Io”
The Human Body
Digestion
A nine-metre tube turns a sandwich into the molecules that build and fuel you, with
Article · 4 min read
The Human Body
The Immune System
An army of trillions of cells defends you against invaders you never notice, learns from every
Article · 4 min read
The Human Body
The Senses
Sight, hearing, smell, taste and touch are the body's instruments for turning light, vibration and
Article · 4 min read
The Human Body
Lungs and Breathing
Twenty thousand times a day you draw in air and your lungs, with a surface the
Article · 4 min read
The Human Body
The Heart and Blood
A fist-sized pump pushes five litres of blood around 100,000 kilometres of vessels every
Article · 4 min read
The Human Body
Muscles
Six hundred muscles move you, pump your blood and push your food along. Every one of
Article · 4 min read
The Human Body
The Brain
A kilo and a half of soft tissue containing 86 billion neurons and more connections than
Article · 4 min read
