Human Body

• The length from your wrist to your elbow is the same as the length of your foot.
• Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 400 million litres (800 million pints) of blood.
• It is impossible to lick your elbow. Well, for almost everyone… but a few can.
• Your mouth produces 1 litre (1.8 pints) of saliva a day.
• The human head contains 22 bones. More on the head and brains
• On average, you breathe 23,000 times a day.
• Breathing generates about 0.6g of CO2 every minute.
• On average, people can hold their breath for about one minute. The world record is 21 minutes 29 seconds, by David Merlini.
• On average, you speak almost 5,000 words a day – although almost 80% of speaking is self-talk (talking to yourself).
• Over the last 150 years the average height of people in industrialized nations increased by 10 cm (4 in).
• In the 19th century, American men were the tallest in the world, averaging 1,71 metres (5’6″). Today, the average height for American men is 1,763 m (5 feet 9-and-half inches), compared to 1,815 m (5’10″) for Swedes, and 1,843 m (5’11″) for the Dutch, the tallest Caucasians.
• The tallest nation in the world is the Watusis of Burundi: 1.98 m (6 feet 6 inches) tall.
• If the amount of water in your body is reduced by just 1%, you’ll feel thirsty.
• It is impossible to sneeze and keep one’s eyes open at the same time.
• 55% of people yawn within 5 minutes of seeing someone else yawn.
• Hippocrates, the Father of Medicine, suggested that a woman could enlarge her bust line by singing loudly and often.
• A person can live without food for about a month, but only about a week without water.