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
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
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
Poor eyesight (myopia) is associated with higher IQ.
232
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118