human body facts
. The human body has lungs which have 300,000 capillaries (thin blood vessels). When laid end to end they would cover 1500 miles or 2400 kilometres.
Finger and toe nail
. Our finger or toe nail takes 6 months to grow right from the base to its outer tip.
. Our skin is the largest organ of our body. It covers roughly 2 square metres of area. It constantly keeps replenishing throughout the life. In the process it sheds about 80 kg of dead skin cells.
. Ten million new sperm cells everyday are produced by the human testicles. If each one fertilizes it can duplicate our planet's population in only six months.
. The ovaries of a human female have 5,00,000 eggs yet only 300 -400 eggs only have the capability to create a new baby.
. The focussing muscles of our eyes move about one lakh time a day to let you see the the outsid word. To exercise the leg muscles to the same extent, we will have to walk 80 kilometres in a day.
. We take in 90% of the outside information through our eyes.
. The lab grown skin made from circumsized babies, of the size of a postage stamp, can grow so much that it can cover 3 basket ball courts. This skin is generally used for brn patients
Human blood cell
. One single human blood cell can make a complete circuit in our body in just half a minute.
. Our body gives out enough heat in 30 minutes to boil half gallon of water.
. An adult heart pumps about two thousand gallons of blood each day.
. Our brain has about hundred billion nerve cells and about 100,000 miles of blood vessels.
. Our bones are a powerhouse of strength. A bone, the size of a match box can support nine tonnes of weight almost four times the strength of a similar concrete slab.
. Each night we grow about 0.3 inches. However every morning we come back to our original height because our cartilage discs shrink due to force of gravity as we stand
. The diet intake of a common westerner includes 50 tonnes of food and about 50,000 litres of fluid.
. Our body has 2 kidneys each of which has ten lakh super efficient filters. They filter about 1.25 litres of blood each minute and gives out about 1.5 litres of urine in a day.
. It is the largest cell of the human body.
. A human male's sperm is the smallest cell of the human body.
. A single strand of human hair can support 3.5 ounces of weight. Imagine the strength a head completely filled with hairs.
. The human nose can't detect the smell of natural gas which can be hazardous so the gas companies mix a chemical called Marcaptan to give it a distinct odour
. The human nose can detect close to ten thousand scents.
. The human tongue has about 50 to 100 taste cells. A single cell cannot identify both sweet and bitter tastes.
. Our blood takes only 20 seconds to circulate in our entire body.
. The tooth is the only part in human body which can't repair itself.
. About 200 muscles are required to just take a single step.