The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The whiter your tongue, the more germs there are on it.
88
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
It takes approximately 12 hours for food to entirely digest.
93
We blink 25 times a minute.
51
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Your heart will pump about 212 million liters in its lifetime.
26
25% of your bones are located in your feet.
12