If the amount of water in your body is reduced by just 1%, you’ll feel thirsty.
The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second. On average, you blink 15 000 times a day. Women blink twice as much as men.
The length from your wrist to your elbow is the same as the length of your foot.
On average a hiccup lasts 5 minutes.
If all your DNA is stretched out, it would reach to the moon 6,000 times.