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).
On average, you speak almost 5,000 words a day � although almost 80% of speaking is self-talk (talking to yourself).
Your mouth produces 1 litre (1.8 pints) of saliva a day.
The length from your wrist to your elbow is the same as the length of your foot.
It is impossible to lick your elbow. Well, for almost everyone� but a few can.
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.
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.
Over the last 150 years the average height of people in industrialized nations increased by 10 cm (4 in).
If the amount of water in your body is reduced by just 1%, youll feel thirsty.
It is impossible to sneeze and keep ones eyes open at the same time.
55% of people yawn within 5 minutes of seeing someone else yawn.
A person can live without food for about a month, but only about a week without water.
Youll drink about 75,000 litres (20,000 gallons) of water in your lifetime.
Hair on the head grows for between two and six years before being replaced. In the case of baldness, the dormant hair was not replaced with new hair.
Men loose about 40 hairs a day. Women loose about 70 hairs a day.
A person remains conscious for eight seconds after being decapitated.
The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second.
On average, you blink 15 000 times a day. Women blink twice as much as men.
A typical athletes heart churns out 25 to 30 litres (up to 8 gallons) of blood per minute.
24 of the known 118 elements are found in your body � see What the average human body contains
We have four basic tastes plus umami. The salt and sweet taste buds are at the tip of the tongue, bitter at the base, and sour along the sides; umami is a mixture of tastes sensed along the center of the tongue.
Not all our taste buds are on our tongue; about 10% are on the palette and the cheeks.
Unless food is mixed with saliva you cannot taste it.
The liver is the largest of the bodys internal organs. The skin is the bodys largest organ.
Fingernails grow nearly 4 times faster than toenails.
Your middle fingernail grows the fastest.
Your finger nails grow at 1 nanometre per second (0.000 000 001 m/s). Your hair grows at 4 nanometres per second (0.000 000 004 m/s).
About 13% of people are left-handed. Up from 11% in the past.
A newborn babys head accounts for one-quarter of its weight.
The bones in your body are not white � they range in color from beige to light brown. The bones you see in museums are white because they have been boiled and cleaned.
Our eyes are always the same size from birth.
Every person has a unique tongue print.
If all your DNA is stretched out, it would reach to the moon 6,000 times.
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.
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.
Over the last 150 years the average height of people in industrialized nations increased by 10 cm (4 in).
If the amount of water in your body is reduced by just 1%, youll feel thirsty.
It is impossible to sneeze and keep ones eyes open at the same time.
55% of people yawn within 5 minutes of seeing someone else yawn.
A person can live without food for about a month, but only about a week without water.
Youll drink about 75,000 litres (20,000 gallons) of water in your lifetime.
Hair on the head grows for between two and six years before being replaced. In the case of baldness, the dormant hair was not replaced with new hair.
Men loose about 40 hairs a day. Women loose about 70 hairs a day.
A person remains conscious for eight seconds after being decapitated.
The muscle that lets your eye blink is the fastest muscle in your body. It allows you to blink 5 times a second.
On average, you blink 15 000 times a day. Women blink twice as much as men.
A typical athletes heart churns out 25 to 30 litres (up to 8 gallons) of blood per minute.
24 of the known 118 elements are found in your body � see What the average human body contains
We have four basic tastes plus umami. The salt and sweet taste buds are at the tip of the tongue, bitter at the base, and sour along the sides; umami is a mixture of tastes sensed along the center of the tongue.
Not all our taste buds are on our tongue; about 10% are on the palette and the cheeks.
Unless food is mixed with saliva you cannot taste it.
The liver is the largest of the bodys internal organs. The skin is the bodys largest organ.
Fingernails grow nearly 4 times faster than toenails.
Your middle fingernail grows the fastest.
Your finger nails grow at 1 nanometre per second (0.000 000 001 m/s). Your hair grows at 4 nanometres per second (0.000 000 004 m/s).
About 13% of people are left-handed. Up from 11% in the past.
A newborn babys head accounts for one-quarter of its weight.
The bones in your body are not white � they range in color from beige to light brown. The bones you see in museums are white because they have been boiled and cleaned.
Our eyes are always the same size from birth.
Every person has a unique tongue print.
If all your DNA is stretched out, it would reach to the moon 6,000 times.
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