On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Tigers can see 6 times better at night than humans.
305
The average sperm cell swims at 8 inches per hour.
4
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
In one day, adult lungs move about 10,000 litres of air.
11
By weight, Bone is five times stronger than steel.
417