Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Pain travels through the body at 350 feet per second!
23
Pain occurs when sounds are above 130 db.
123
Fingernails grow fastest on the hand you favor.
44
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193