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
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
A human being loses an average of 40 to 100 strands of hair a day.
133
There's 100 trillion good bacteria living in your body.
17
Within three days of death, the enzymes that once digested your food begin to eat you.
22
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are about 1,400 different species of bacteria in your belly button.
10
The human brain uses approximately as much energy as a 10 watt light bulb.
120