Facts About Your Body, Part 2

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.