Amazing Body Facts - 2

101 A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realises it's there. 103 At birth we have over 300 bones. As we grow up, some of the bones begin to fuse together as a result an adult has only 206 bones. 104 The human hand has 27 bones.. 107 The femur/thigh bone is the longest bone in our body, it is about a quarter of ones height. 108 The human body has 230 movable and semi- movable joints 109 Our Brain has over 100 billion nerve cells. 110 The human skull is made up of 29 different bones. 111 A newborn babys brain grows almost 3 times during the first year of life. 112 The left side of human brain controls the right side of the body and the right side of the brain controls the left side of the body. 113 The length of human blood vessel is such that it circles the globe 2 ½ times. 116 The human heart beats 30 million times a year. 117 80 hairs are likely to fall every day. 118 The muscles of the eye move more than 100,000 times a day.. 119 We breathe 13 pints of air every minute. 120 Human skin has a tendency to shed 40 pounds of skin in lifetime. 121 Human kidneys have about 1 million nephrons that filters out liquids and wastes. 122 Our heart beats around 100,00 times every day. 123 Human blood is on a 60,000mile journey. 124 Fingernails contain keratin and they seem to be strongest component in the human body. 125 The human skin contains 45 miles of nerves. 126 Most people blink about 25 times per minute. 127 For every 2 weeks, the human stomach produces new layer of mucous lining, otherwise the stomach will digest itself. 128 An average of 17 muscles contracts for a smile. 129 Every person has a unique tongue print. 130 A sneeze moves out of our mouth at a speed of 100 meters per hour. 131 An average human eye blinks about 6,205, 000 times. 132 The tooth is the only part of the human body that cannot heal and repair by its own. 133 In one square inch of skin there are 4 yards of nerve fibers. 134 The human eye has the ability to distinguish about 1 million color surfaces. 135 A square inch of skin has 100 sweat glands. 138 The human ear can distinguish between hundreds of thousands of different sounds. 141 On an average the human scalp has about 100,000 hairs. 142 Nails of toes or fingers take about 6 months to grow from base to tip. 143 A square inch of skin consists of 1300 nerve cells. 144 On an average an individual produces human being consumes about 500 kg of food per year. 145 The adult human brain is about 2 % of total body weight. 146 On an average 1.7 liters of saliva produces each day. 147 In one square inch of skin, there are 3 million cells. 148 The human body consists of over 600 muscles. 149 As we get older, the brain loses almost one gram per year.. 138 The human ear can distinguish between hundreds of thousands of different sounds. 141 On an average the human scalp has about 100,000 hairs. 142 Nails of toes or fingers take about 6 months to grow from base to tip. 143 A square inch of skin consists of 1300 nerve cells. 144 On an average an individual produces human being consumes about 500 kg of food per year. 145 The adult human brain is about 2 % of total body weight. 146 On an average 1.7 liters of saliva produces each day. 147 In one square inch of skin, there are 3 million cells. 148 The human body consists of over 600 muscles. 149 As we get older, the brain loses almost one gram per year.. 150 Oesophagus/or food pipe, which is the passage for the food we eat to the stomach, is approximately 25 cm long. 151 A square inch of skin consists of three yards of blood vessel. 152 There are about 13, 500,00 neurons in the human spinal cord. 153 The human tongue has 10,000 taste buds. 154 The cells of taste buds are constantly being renewed, roughly on every ten hours. 155 An average human head weighs about 8 pounds. 156 Our eyes are always the same size from birth, unlike our nose and ears. 157 The human body is composed of 80 percent of water. 158 The human eyeball is 24.5 mm long. 159 The total weight of skin in an average human adult is 61 pounds. 160 Taste buds are present inside the mouth and also at the roof of the mouth. 161 The human spinal cord is 45 cm long in men and 43 cm long in women. 162 The weight of human cerebellum is 150g. 163 The strongest muscles of the human body are masseters, which are present on either side of the mouth. 164 The human liver performs 500 different functions. 165 The heart muscles will stop working only when we die. 166 Children have more sensitive ears than adults. 167 Shivering is a way of trying to keep our body warm. 168 Humans have the ability to distinguish 4,000 to 10, 000 smells. 169 Every hour, the human eye can process 36,000 bits of information. 170 Nails and corneas are the only two tissues in the body that do not receive oxygen from blood. 171 The length of the finger indicates how fast the nail grows. The nail of the middle finger grows faster than others. 172 The human ears can hear in the frequency of 1,000 to 50, 000 hertz. 173 The total surface area of the human brain is about 25, 000 square cms. 174 When the sounds are above 130 decibels, it causes pain to the ears. 175 There are around 100 receptors in each of our fingertips. 176 The weight of skin in a human adult is 4 to 5 kg. 177 The middle part of the back is the least sensitive part of our body. 178 Children have better sense of smell than adults. 179 The eyelashes shed by a human in his entire life is of 30 m of length. 180 After death, the body starts to dry out creating an illusion that the nails and hairs are growing even after death. 181 The surface of human skin is 6.5 square feet. 182 Every second, 15 million blood cells are destroyed in the human body. 183 An average human being will breathe about 23,040 times per hour. 184 The base of the spinal cord has a cluster of nerves, which are most sensitive. 185 The surface area of the human lung is equal to that of a tennis court. 186 When we reach 60 years of life, we lose 50 % of our taste buds. 187 Blinking of one eye causes movement of 200 muscles. 188 Platelets, which are one of the constituents of the blood is produced at the rate of 200 billion per day. 189 The sense of taste is the weakest of the five senses. 190 Humans have the ability to differentiate about 10, 000 odour. 191 It takes time for the newborn baby to learn to turn the pictures right side up, as it sees the world upside down in the beginning. 192 If human sense of smell is affected, sense of taste is also affected as the brain interprets signals from the nose and tongue. 193 There are around 1,200,000 optic fibers in the human eye. 194 The lens of the human eye is composed of 65 % of water and 3 % of protein. 195 We shut our eyes for 0.3 seconds, when we blink. 196 Color blind people find it hard to distinguish colors like green and red. 197 A blink of an eye lasts for 1/10th of a second. 198 Eyes are the only part of the human body that functions at 100 percent ability at any movement. 199 The human skin contains 280,000 heat receptors. 200 A drop of blood contains 250 million cells.