It takes approximately 12 hours for food to entirely digest.
93
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The average sperm cell swims at 8 inches per hour.
76
Every year your body replaces 98% of your atoms.
119
You see your nose at all times, your brain just chooses to ignore it.
30
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Redheads require up to 20% more anesthesia to be knocked out.
112
