Like fingerprints, every person has a unique tongue print.
Loneliness is physically painful.
Men can read smaller print than women; women can hear better.
Men listen with the left side of the brain and women use both sides of the brain.
Men produce about 10 million new sperm daily (approximately enough to repopulate the entire planet in 6 months).
Our blood is on a 60,000-mile journey per day.
People with blue eyes have a higher alcohol tolerance.
Our eyes can distinguish up to ten million color surfaces and take in more information than the largest telescope known to man.
The atoms that make up your body are mostly empty space, despite there being so many of them, without that space, you would compress into a tiny volume.
The enzyme in the stomach that breaks down alcohol is produced less in men than women.
The fastest growing nail is on the middle finger.
The food will get into the stomach even if one stands on their head.
The human body has fewer muscles in it than a caterpillar.
The Human brain stops growing at the age of 18.
The largest cell in the human body is the female egg and the smallest is the male sperm.
The left side of the human heart is much thicker and stronger than the right side.
The liquid inside young coconuts can be used as a substitute for blood plasma.
The middle part of the back is the least sensitive part of our body.
The Romans used to clean and whiten their teeth with urine.