Only 1% of bacteria cause disease in humans!
2
One out of 20 people have an extra rib.
66
Banging your head against a wall uses 150 calories an hour.
57
A woman's sense of smell is most sensitive during ovulation.
34
The right lung takes in more air than the left.
30
Fingernails grow nearly 4 times faster than toenails.
31
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31