Only 1% of bacteria cause disease in humans!
2
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
In older people, memory is best early in the morning and then declines during the late afternoon.
33
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193