You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
If you hold farts in during the day, they'll just come out when you sleep.
16
Your thumb is about the same size as your nose.
124
The human body contains over a billion miles of DNA.
147
Held in farts enter your bloodstream and are bad for your body.
26
There are about 1,400 different species of bacteria in your belly button.
10
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