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10 Amazing Scientific “Facts on Human body and Life” interesting facts that we should knew Part 5

Facts on Human Body and Life Part-5

41. Humans are the only animals that cry.

42. On an average, a person has about 1,500 dreams in a year.

43. A good sneeze travels up to 160 km per hour.

44. A yawn may be telling you that your body needs more oxygen.

45. Your muscles produce enough heat to boil a litre of water for an hour.

46. Your nose acts as an air- conditioner, treating as it does some 14 cubic metres of air every day.

47. The stomach produces strong digestive juices. It is lined with mucus which protects it from being eaten away by its own juices.

48. The tongue is the only muscle in the body that is attached at only one end.

49. Before and after undergoing surgery, a patient is usually administered a narcotic so as to feel no pain, relax the muscies and induce sleep.

50. Russian scientists report that many ailments such as lumbago, bronchial asthma, high blood pressure, etc., can cured by acupuncture. Acupuncture has also helped some break the smoking habit.

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