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
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Every day, the average person swallows about a quart of mucous.
5
Pain travels through your body at 350 ft. per second.
36
Your heart pumps about 2,000 gallons of blood each day!
53
The average sperm cell swims at 8 inches per hour.
4
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101