You mostly breathe from only one nostril at a time!
75
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
The skin on your lips is 200 times more sensitive than your fingertips.
345
Children are more allergic to cockroaches than they are to cats!
46
A human being loses an average of 40 to 100 strands of hair a day.
133
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36