Your thumb is about the same size as your nose.
124
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
A human being loses an average of 40 to 100 strands of hair a day.
133
Your heart will pump about 212 million liters in its lifetime.
26
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111