Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The male fetus is capable of attaining an erection during the last trimester.
75
Fidgeting can burn about 350 calories a day.
201
Sex burns about 360 calories per hour.
860
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The human sigh acts as a physiological reset button.
23