It takes about 20 seconds for a red blood cell to circle the whole body.
102
Mushrooms are more closely related to humans than they are to plants.
47
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Your thumb is about the same size as your nose.
124
You forget 90% of your dreams.
256
It takes approximately 12 hours for food to entirely digest.
93
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111