STUDY SOME HUMAN BODY FACTS YOU HAVE NOT KNOWN ....................................................

++ It's impossible to sneeze with your eyes open.

++ When we reach 60 years of life, we lose 50 % of our taste buds.

++ Nerve cells can travel as fast as 120 meters per second.

++ Gases that build up in your large intestine cause flatulence. It usually takes about 30 to 45 minutes for these gases to pass through your system.

++ The oesophagus or food pipe, which is the passage for the food we eat to the stomach, is approximately 25cm long.

++ When full, the human bladder can hold two pints of urine.

++ The cornea is the only living tissue in the human body that does not contain any blood vessels.

++ An average capillary is only 1mm. Capillaries are so small that it would take ten of them to equal the thickness of a human hair.

++ Carbon monoxide (exhaust fumes) can kill a person in less than 15 minutes.

++ Each lung contains 300-350 million respiratory units called alveoli.

++ The 'funny bone' is not a bone, it is a nerve.

++ The tongue is the strongest muscle in the human body.

++ The human body releases growth hormones during sleep.

++ At birth every one is colour blind.

++ Our eyes are always the same size from birth to adulthood (old age) without changing size.

++ We are about 70% water.

++ Most men have erections every hour to hour and a half during sleep.

++ An average human drinks about 16000 gallons of water in a lifetime.

++ Our body has some natural protection for our eyes. Our eyelashes help to keep dirt out of our eyes. Our eyebrows are made to keep sweat from running into our eyes. Dress Affordable tea length dress that prom considered

++ When you blush, your stomach lining also reddens.

++ The first open heart surgery was performed by Dr. Daniel Hall Williams in 1893.

++ Men are able to read fine print better than women can.

++ The leg bone is the fastest growing bone in the human body.

++ A foetus (child in the womb) acquires fingerprints at the age of three months

++ A muscle called the diaphragm controls the human breathing process.

++ A heartbeat is nothing but the sound produced by the closure of valves of the heart when the blood is pushed through its chamber.

++ Frequent washing of hair does not cause hair loss.

++ The human body has 230 movable and semi-movable joints.

++ One in every 2000 babies is born with a tooth.

++ A person can live without food for about a month, but only a week without water.

++ Your big toes have two bones each while the rest have three.

++ Everyday approximately 35 meters of hair fibre is produced on the scalp (hairs growing part of the head) of an adult.

++ When full, the human bladder can hold two pints (two glasses) of urine.

++ Red blood cells are the only cells in the body that do not have a nucleus.

++ Every day the human stomach produces about 2 liters of hydrochloric acid.

++ A lifespan of an eyelash is approximately 150 days (about 5 months)

++ The tiniest muscle, the stapedius of the middle ear , is just one-fifth of an inch long.

++ The whole one leg is constituted 31 bones.

++ Neurons continue to grow throughout human life.

++ Even though the 'headache' excuse is often used to avoid sex, the truth is that intercourse can provide pain relief (married only).