Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
The average female will have 3.3 pregnancies in her life.
49
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
Your tongue is the only muscle in your body that is attached at only one end.
173
People who sleep late have more mental stamina and can outperform early risers.
33