Your body is creating and killing about 2.4 million red blood cells per second.
17
A human being loses an average of 40 to 100 strands of hair a day.
133
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In one day, adult lungs move about 10,000 litres of air.
11
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8

