Health

- A woman has approximately 4.5 litres of blood in her body, while men have 5.6 litres.
- Blood accounts for about 8% of a human's body weight.
- By donating just one pint of blood, four lives can be saved.
- The only bone fully grown at birth is located in the ear.
- A human head remains conscious for about 15 to 20 seconds after it is been decapitated.
- Dieting can cause bad breath since less saliva is produced which leads to dry mouth.
- A diet high in fat is said to impede memory.
- Men are able to read fine print better than women can.
- The eye of a human can distinguish 500 shades of the gray.
- Hair is made from the same substance as fingernails.
- On average, a hair strand's life span is five and a half years.
- Every day 2,700 people die of heart disease.

Miscellaneous

- An office desk has 400 times more bacteria than a toilet.
- 93% of all greeting cards are purchased by women.
- Business.com is currently the most expensive domain name sold for $7.5 million.
- The first domain name ever registered was Symbolics.com.
- 850 peanuts are needed to make an 18 oz. jar of peanut butter.
- An apple, potato, and onion all taste the same if you eat them with your nose plugged. They all taste sweet.
- An egg that is fresh will sink in water, but a stale one won't.
- Caffeine is the world's most popular stimulant.
- Mosquitoes have 47 teeth.
- Apples are more effective at keeping people awake in the morning than caffeine.
- Ants never sleep.
- A goldfish has a memory span of about 3 seconds.
- During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants.
- Dolphins sleep with one eye open.
- Fingernails grow nearly 4 times faster than toenails.
- The oldest piece of chewing gum is 9000 years old.
- Every time you lick a stamp you gain 1/10 of a calorie.
- The word "set" has more definitions than any other word in the English language.
- Elephants are the only animals that can't jump.
- TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard.
- It is impossible to lick your elbow.
- Intelligent people have more zinc and copper in their hair.
- Cockroaches can live for 9 days after their head has been cut off.
- Men are 6 times more likely to be struck by lightning than women.
- Women blink nearly twice as much as men.
- The average chocolate bar has 8 insect legs in it.
- Snakes are true carnivores as they eat nothing but other animals. They do not eat any type of plant material.
- If you keep a goldfish in the dark room, it will eventually turn white.
- More people are killed by donkeys annually than are killed in plane crashes.
- The dot that appears over the letter "i" is called a tittle.
- In comic strips, the person on the left always speaks first.
- There are over 87,000 Americans on waiting lists for organ transplants.
- 1 pound of lemons contain more sugar than 1 pound of strawberries.
- Men can read smaller print than women; women can hear better.
- Men get hiccups more often than women.
- The average person laughs 15 times a day.