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
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Most dreams last only 5 to 20 minutes.
79
It takes 17 muscles to smile, 43 to frown.
65
By weight, Bone is five times stronger than steel.
417
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
It takes approximately 12 hours for food to entirely digest.
93
The first patented condom was meant to be reused!
47