Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Men get hiccups more often than women.
93
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
There's 100 trillion good bacteria living in your body.
17
Fingernails grow nearly 4 times faster than toenails.
31
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
When your face blushes, the lining of your stomach turns red, too.
154
A man's beard grows fastest when he anticipates sex.
239