Your heart rate can rise as much as 30% during a yawn.
69
In the average lifetime a person will breath in about 44 pounds of dust.
21
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The lifespan of a tastebud is ten days.
130
You have no sense of smell when you're sleeping!
72
