Your Amazing Body
An adult man’s body contains about 5 litres of blood.A omans contains about 4.3 litres.The Blood tavels along 100000 km of blood vessels,which equal to going 2.5 times round the equator.It contains 25000000000 to 30000000000 red cells.The life span of red cells is only about 120 days, and 1200000 to 20000000 of them are made every second.In a human lifetime you will make .5 tonne of red cells.red cells are made and destroyed at a rate of 2-3 million per second.
You lose 100000 brain cells every day ! Luckily you have 100 billion altogether.If the surface area of Your brain could be ironed out it would measure 2090 sq cm.
The average person inhales 6 litres of air per minute,or 8640 litres a day.You take 13-17 breaths a minute when sitting still and upto 80 during vigorous exercise.If you average 20 breaths a minute,you breath 28800 times a day.
There are 50 trillion cells in your body and 3 billion of them die every minute (4320000000000 a day).Most of these are replaced .You make 10 billion new white blood cells each day.You have a total of 1000000000000 white cells,which help fight germs and infections.
There is enough carbon in your body to fill 900 pencils,enough fat to make 75 candles,enough phosphorus to make 220 match head and enough iron to make a 7.5 cm nail.
Your stomach produces upto 2 litres of hydrochloric acid a day.Stomach acid is strong enough to dissolve metals,but it doesn’t have time to damage the stomach walls because 500000 cells in your stomach lining are replaced every minute.The small intestine is about 5m long and is the longest part of your digestive system.The large intestine is a thicker tube,but is only about 1.5m long.
You blink about 20000 times a day.
On average you release 2 litres of gases a day from your intestines as burps or farts.
Hair Grows about .5mm a day
Your Heart pumps 13640 litres of blood around your body in a day enough to fill 40000 drink cans.Average heartbeat pumps 59cc of blood .An average heartbeat rate of 70 beats a minute adds up to more than 100000 minutes a day.
You produce 37800 litres of saliva in your lifetime.
Your Finger Nails grow .05 cm a week,which is four time faster than your toe nails .
There are about 13000000000000 nerve cells in your body,transmitting messages at speed of 290 km/h – as fast as world’s speediest road cars.
Your sneezes can travel at 160 km/h – as fast as a train.
Your skin weighs upto 4 kg and covers an area upto 1.3 – 1.7 sq m. Getting dressed and undressed,rubbing body parts together and even breathing cause microscopic flakes of skin to fall off at the rate of 50000 flakes a minute.In a lifetime you will shed a total of 18 kg of skin.Upto 80 percent of household dusts is made of dead human skin cells.
In 7.5 hours of sleep,you will sleep lightly for 60 percent of the time and deeply for 18 pecent.You will dream for 20 percent of the time.
You Lose about .5 litres of water a day through 3000000 sweat glands.In hot climates you may lose as much as 13.5 litres a day.
You will pass between 400 and 2000 ml of urine everyday,Depending on how old you are,your body size and the outside conditions,especially temperature.
Largest Human Organs
The weights listed below are all averages,but sometimes organs are much larger.Some brains have weighed more than 2000g ,but that doesn’t mean the owners were super-intelligent !
Organ Average Weight(grams)
Skin – 10886
Liver – 1560
Brain – 1408 (Male) and 1263 (Female)
Lungs – 580 (right) and 510 (left)
Heart – 315 (Male) and 265 (Female)
Kidneys – 150 (left) and 140 (right)
Spleen – 170
Pancreas – 98
Thyroid – 35
Prostate – 20 (Male Only)
Adrenals – 6 (left) and 6 (right)
The skeleton is the body’s framework.The bones of the skeleton support the body,protect the internal organs such as the heart and lungs ,and allow you to move.
Longest bones in the body
These are the average measurements of the longest bones of an adult male.The same bones in the female skeleton are usually 6 – 13 percent smaller,except the breastbone which is almost the same.
Bone Average Length (cm)
Femur (thighbone ,upper leg) 50.50
Tibia (shinbone,inner lower leg) 43.03
Fibula (Outer Lower Leg) 40.50
Humerous (upper arm) 36.46
Ulna (inner lower arm) 28.20
Radius (outer lower arm) 26.42
7th rib 24.00
8th rib 23.00
Hipbone (one half pf pelvis) 18.50
Sternum (beast bone) 17.00
Whats your Body Made of
Most of the Human body is made of water,which is a combination of hydrogen and oxygen.As much as 99 percent of the body is made up of oxygen,cabon hydrogen,nitrogen,calcium and phosphorus.There are also small amounts of other elements.
Element Average in 70 kg person (g)
Potassium 110 – 140
*The only bone in the human body that is not connected to another bone is the hyoid bone,a U-shaped bone at the base of the tongue.It is supported by the muscles in the neck,but it is not connected to any other bone.
*The ear bones are the smallest in the body.
*The human skeleton makes up about one fifth of a person’s entire weight.An average adult weighing 70 kg will have a skeleton that weighs 14 kg.